./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs --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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:08:01,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:08:01,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:08:01,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:08:01,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:08:01,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:08:01,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:08:01,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:08:01,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:08:01,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:08:01,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:08:01,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:08:01,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:08:01,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:08:01,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:08:01,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:08:01,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:08:01,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:08:01,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:08:01,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:08:01,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:08:01,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:08:01,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:08:01,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:08:01,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:08:01,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:08:01,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:08:01,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:08:01,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:08:01,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:08:01,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:08:01,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:08:01,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:08:01,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:08:01,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:08:01,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:08:01,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:08:01,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:08:01,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:08:01,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:08:01,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:08:01,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:08:01,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:08:01,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:08:01,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:08:01,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:08:01,763 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:08:01,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:08:01,764 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:08:01,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:08:01,765 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:08:01,765 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:08:01,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:08:01,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:08:01,775 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:08:01,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:08:01,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:08:01,776 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:08:01,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:08:01,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:08:01,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:08:01,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:08:01,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:08:01,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:08:01,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:08:01,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:08:01,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:08:01,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:08:01,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:08:01,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:08:01,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:08:01,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:08:01,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:08:01,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:08:01,786 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:08:01,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:08:01,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:08:01,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:08:01,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:08:01,788 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-19 15:08:02,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:08:02,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:08:02,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:08:02,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:08:02,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:08:02,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-19 15:08:02,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/592114ee2/3aeb7b5bfccd4dd0bfc70931fb4b2ac5/FLAG9de8f3183 [2021-11-19 15:08:03,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:08:03,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-19 15:08:03,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/592114ee2/3aeb7b5bfccd4dd0bfc70931fb4b2ac5/FLAG9de8f3183 [2021-11-19 15:08:03,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/592114ee2/3aeb7b5bfccd4dd0bfc70931fb4b2ac5 [2021-11-19 15:08:03,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:08:03,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:08:03,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:08:03,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:08:03,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:08:03,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:03" (1/1) ... [2021-11-19 15:08:03,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57434bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:03, skipping insertion in model container [2021-11-19 15:08:03,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:03" (1/1) ... [2021-11-19 15:08:03,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:08:03,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:08:05,385 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,391 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,418 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,425 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,432 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,455 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,642 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,811 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,816 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:05,986 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,015 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,018 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,025 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,029 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,040 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,043 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,044 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,050 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,052 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,060 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,068 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,068 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,070 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,077 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,111 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,118 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,133 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,199 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,203 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,244 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,285 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,290 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,298 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,302 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,305 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,323 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,327 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,332 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,412 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,413 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,415 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,425 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,450 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,451 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,453 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,454 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:08:06,518 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_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-19 15:08:06,598 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:08:06,644 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:08:06,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b06610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06, skipping insertion in model container [2021-11-19 15:08:06,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:08:06,646 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:08:06,649 INFO L158 Benchmark]: Toolchain (without parser) took 2962.46ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 66.0MB in the beginning and 76.0MB in the end (delta: -10.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-19 15:08:06,650 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:08:06,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2959.28ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 65.7MB in the beginning and 76.0MB in the end (delta: -10.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-19 15:08:06,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2959.28ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 65.7MB in the beginning and 76.0MB in the end (delta: -10.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5281]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs --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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:08:09,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:08:09,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:08:09,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:08:09,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:08:09,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:08:09,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:08:09,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:08:09,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:08:09,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:08:09,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:08:09,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:08:09,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:08:09,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:08:09,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:08:09,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:08:09,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:08:09,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:08:09,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:08:09,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:08:09,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:08:09,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:08:09,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:08:09,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:08:09,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:08:09,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:08:09,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:08:09,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:08:09,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:08:09,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:08:09,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:08:09,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:08:09,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:08:09,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:08:09,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:08:09,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:08:09,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:08:09,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:08:09,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:08:09,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:08:09,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:08:09,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:08:09,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:08:09,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:08:09,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:08:09,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:08:09,307 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:08:09,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:08:09,308 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:08:09,308 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:08:09,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:08:09,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:08:09,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:08:09,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:08:09,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:08:09,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:08:09,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:08:09,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:08:09,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:08:09,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:08:09,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:08:09,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:08:09,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:08:09,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:08:09,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:08:09,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:08:09,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:08:09,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:08:09,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:08:09,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:08:09,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:08:09,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:08:09,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:08:09,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:08:09,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:08:09,315 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_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-19 15:08:09,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:08:09,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:08:09,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:08:09,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:08:09,829 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:08:09,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-19 15:08:09,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/f1c928a05/6f07507ba87443a4a986f248f04db3f1/FLAGc219fd744 [2021-11-19 15:08:11,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:08:11,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-19 15:08:11,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/f1c928a05/6f07507ba87443a4a986f248f04db3f1/FLAGc219fd744 [2021-11-19 15:08:11,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/data/f1c928a05/6f07507ba87443a4a986f248f04db3f1 [2021-11-19 15:08:11,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:08:11,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:08:11,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:08:11,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:08:11,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:08:11,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:11" (1/1) ... [2021-11-19 15:08:11,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4443999c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11, skipping insertion in model container [2021-11-19 15:08:11,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:11" (1/1) ... [2021-11-19 15:08:11,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:08:11,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:08:14,448 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_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-19 15:08:14,523 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:08:14,583 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:08:14,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:08:15,135 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_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-19 15:08:15,149 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:08:15,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:08:15,656 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_50d41169-9d5c-4543-8b31-9628354fc01a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-19 15:08:15,668 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:08:15,973 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:08:15,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15 WrapperNode [2021-11-19 15:08:15,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:08:15,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:08:15,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:08:15,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:08:15,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,329 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4111 [2021-11-19 15:08:16,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:08:16,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:08:16,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:08:16,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:08:16,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:08:16,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:08:16,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:08:16,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:08:16,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (1/1) ... [2021-11-19 15:08:16,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:08:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:08:16,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:08:16,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:08:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-19 15:08:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-19 15:08:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:08:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:08:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-19 15:08:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-19 15:08:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-19 15:08:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-19 15:08:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 15:08:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-19 15:08:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-19 15:08:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:08:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 15:08:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-19 15:08:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-19 15:08:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:08:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 15:08:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-19 15:08:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-19 15:08:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-19 15:08:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-19 15:08:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-19 15:08:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-19 15:08:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-19 15:08:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-19 15:08:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-19 15:08:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-19 15:08:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 15:08:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 15:08:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 15:08:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 15:08:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 15:08:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 15:08:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:08:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:08:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-19 15:08:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-19 15:08:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-19 15:08:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-19 15:08:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-19 15:08:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-19 15:08:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-19 15:08:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-19 15:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-19 15:08:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-19 15:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 15:08:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 15:08:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-19 15:08:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-19 15:08:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-19 15:08:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-19 15:08:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-19 15:08:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-19 15:08:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 15:08:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 15:08:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 15:08:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 15:08:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-19 15:08:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-19 15:08:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 15:08:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 15:08:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-19 15:08:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-19 15:08:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-19 15:08:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-19 15:08:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-19 15:08:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-19 15:08:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-19 15:08:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-19 15:08:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:08:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 15:08:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 15:08:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 15:08:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 15:08:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:08:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 15:08:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 15:08:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 15:08:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 15:08:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:08:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:08:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:08:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-19 15:08:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-19 15:08:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:08:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:08:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:08:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-19 15:08:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-19 15:08:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 15:08:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 15:08:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:08:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:08:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 15:08:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 15:08:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:08:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 15:08:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 15:08:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 15:08:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 15:08:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-19 15:08:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-19 15:08:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-19 15:08:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-19 15:08:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 15:08:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 15:08:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 15:08:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 15:08:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 15:08:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 15:08:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-19 15:08:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-19 15:08:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-19 15:08:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-19 15:08:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 15:08:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 15:08:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 15:08:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 15:08:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 15:08:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 15:08:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-19 15:08:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-19 15:08:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 15:08:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 15:08:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-19 15:08:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-19 15:08:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-19 15:08:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-19 15:08:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 15:08:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 15:08:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-19 15:08:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-19 15:08:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 15:08:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 15:08:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-19 15:08:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-19 15:08:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-19 15:08:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-19 15:08:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-19 15:08:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-19 15:08:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-19 15:08:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-19 15:08:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-19 15:08:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-19 15:08:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-19 15:08:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-19 15:08:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 15:08:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 15:08:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-19 15:08:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-19 15:08:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-19 15:08:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-19 15:08:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 15:08:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 15:08:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-19 15:08:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-19 15:08:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 15:08:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-19 15:08:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-19 15:08:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 15:08:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:08:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 15:08:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:08:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 15:08:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-19 15:08:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-19 15:08:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-19 15:08:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-19 15:08:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:08:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 15:08:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 15:08:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 15:08:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 15:08:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:08:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 15:08:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 15:08:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:08:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 15:08:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 15:08:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 15:08:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:08:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:08:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 15:08:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 15:08:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 15:08:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 15:08:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 15:08:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 15:08:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 15:08:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 15:08:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 15:08:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-19 15:08:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-19 15:08:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-19 15:08:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-19 15:08:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 15:08:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 15:08:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 15:08:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 15:08:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-19 15:08:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-19 15:08:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 15:08:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 15:08:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-19 15:08:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-19 15:08:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-19 15:08:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-19 15:08:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 15:08:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-19 15:08:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-19 15:08:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 15:08:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 15:08:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:08:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:08:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 15:08:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 15:08:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 15:08:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 15:08:17,863 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:08:17,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:08:21,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-19 15:08:21,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-19 15:08:33,346 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:08:33,354 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:08:33,360 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:08:33,364 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:08:33,382 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:08:47,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-11-19 15:08:47,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-11-19 15:08:47,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-11-19 15:08:47,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-11-19 15:08:47,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-19 15:08:47,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-11-19 15:08:47,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-11-19 15:08:47,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-19 15:08:47,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-19 15:08:47,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-11-19 15:08:47,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-11-19 15:08:47,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-19 15:08:47,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-19 15:08:47,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-11-19 15:08:47,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-11-19 15:08:47,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-11-19 15:08:47,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-11-19 15:08:47,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-11-19 15:08:47,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-11-19 15:08:47,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-19 15:08:47,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-19 15:08:47,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-19 15:08:47,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-19 15:08:47,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-19 15:08:47,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-19 15:08:47,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-19 15:08:47,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-11-19 15:08:47,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-11-19 15:08:47,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-11-19 15:08:47,296 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:08:47,318 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:08:47,322 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-19 15:08:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:47 BoogieIcfgContainer [2021-11-19 15:08:47,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:08:47,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:08:47,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:08:47,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:08:47,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:08:11" (1/3) ... [2021-11-19 15:08:47,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2787f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:08:47, skipping insertion in model container [2021-11-19 15:08:47,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:15" (2/3) ... [2021-11-19 15:08:47,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2787f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:08:47, skipping insertion in model container [2021-11-19 15:08:47,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:47" (3/3) ... [2021-11-19 15:08:47,336 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-19 15:08:47,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:08:47,344 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:08:47,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:08:47,415 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:08:47,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:08:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2021-11-19 15:08:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 15:08:47,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:47,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:08:47,474 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:47,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-11-19 15:08:47,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:47,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409754240] [2021-11-19 15:08:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:47,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:47,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:47,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:47,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:08:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:48,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:08:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:08:48,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:08:48,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:48,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409754240] [2021-11-19 15:08:48,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409754240] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:48,839 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:08:48,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 15:08:48,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650496263] [2021-11-19 15:08:48,842 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:48,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:08:48,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:48,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:08:48,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:08:48,903 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 15:08:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:49,273 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-11-19 15:08:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:08:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-19 15:08:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:49,321 INFO L225 Difference]: With dead ends: 4250 [2021-11-19 15:08:49,322 INFO L226 Difference]: Without dead ends: 2804 [2021-11-19 15:08:49,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:08:49,344 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:49,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:08:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-11-19 15:08:49,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-11-19 15:08:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-19 15:08:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-11-19 15:08:49,656 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-11-19 15:08:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:49,657 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-11-19 15:08:49,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 15:08:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-11-19 15:08:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-19 15:08:49,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:49,673 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-19 15:08:49,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:49,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:49,897 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-11-19 15:08:49,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:49,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874300656] [2021-11-19 15:08:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:49,903 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:49,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:49,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:49,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:08:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:51,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:08:51,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 15:08:51,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 15:08:51,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:51,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874300656] [2021-11-19 15:08:51,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874300656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:51,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:08:51,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 15:08:51,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669270179] [2021-11-19 15:08:51,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:51,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:08:51,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:51,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:08:51,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:08:51,991 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:08:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:52,361 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-11-19 15:08:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:08:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2021-11-19 15:08:52,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:52,393 INFO L225 Difference]: With dead ends: 5578 [2021-11-19 15:08:52,393 INFO L226 Difference]: Without dead ends: 2801 [2021-11-19 15:08:52,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:08:52,408 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:52,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:08:52,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-11-19 15:08:52,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-11-19 15:08:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-19 15:08:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-11-19 15:08:52,599 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-11-19 15:08:52,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:52,600 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-11-19 15:08:52,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:08:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-11-19 15:08:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-19 15:08:52,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:52,612 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-19 15:08:52,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:52,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:52,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:52,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-11-19 15:08:52,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:52,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572148594] [2021-11-19 15:08:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:52,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:52,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:52,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:52,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:08:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:54,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:08:54,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 15:08:54,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 15:08:54,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:54,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572148594] [2021-11-19 15:08:54,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572148594] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:54,943 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:08:54,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:08:54,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576219043] [2021-11-19 15:08:54,944 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:54,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:08:54,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:54,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:08:54,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:08:54,947 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 15:08:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:56,919 INFO L93 Difference]: Finished difference Result 7582 states and 10942 transitions. [2021-11-19 15:08:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:08:56,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 89 [2021-11-19 15:08:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:56,971 INFO L225 Difference]: With dead ends: 7582 [2021-11-19 15:08:56,971 INFO L226 Difference]: Without dead ends: 4808 [2021-11-19 15:08:56,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:08:56,991 INFO L933 BasicCegarLoop]: 2551 mSDtfsCounter, 1372 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:56,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5030 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 15:08:57,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2021-11-19 15:08:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4792. [2021-11-19 15:08:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 3390 states have (on average 1.3545722713864308) internal successors, (4592), 3483 states have internal predecessors, (4592), 1217 states have call successors, (1217), 185 states have call predecessors, (1217), 184 states have return successors, (1224), 1195 states have call predecessors, (1224), 1215 states have call successors, (1224) [2021-11-19 15:08:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 7033 transitions. [2021-11-19 15:08:57,393 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 7033 transitions. Word has length 89 [2021-11-19 15:08:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:57,393 INFO L470 AbstractCegarLoop]: Abstraction has 4792 states and 7033 transitions. [2021-11-19 15:08:57,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 15:08:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 7033 transitions. [2021-11-19 15:08:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-19 15:08:57,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:57,408 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:08:57,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:57,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:57,624 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:57,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 347747418, now seen corresponding path program 1 times [2021-11-19 15:08:57,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:57,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770753405] [2021-11-19 15:08:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:57,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:57,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:57,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:57,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:09:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 15:09:52,061 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 15:10:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 15:10:43,469 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-19 15:10:43,470 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 15:10:43,471 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 15:10:43,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:10:43,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:10:43,704 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-19 15:10:43,708 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 15:10:43,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:10:43 BoogieIcfgContainer [2021-11-19 15:10:43,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:10:43,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:10:43,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:10:43,986 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:10:43,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:47" (3/4) ... [2021-11-19 15:10:43,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 15:10:43,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:10:43,991 INFO L158 Benchmark]: Toolchain (without parser) took 152659.70ms. Allocated memory was 90.2MB in the beginning and 371.2MB in the end (delta: 281.0MB). Free memory was 64.6MB in the beginning and 93.6MB in the end (delta: -29.1MB). Peak memory consumption was 251.2MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,991 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:10:43,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4641.10ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 64.3MB in the beginning and 74.9MB in the end (delta: -10.6MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 354.31ms. Allocated memory is still 188.7MB. Free memory was 74.9MB in the beginning and 105.5MB in the end (delta: -30.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,992 INFO L158 Benchmark]: Boogie Preprocessor took 331.04ms. Allocated memory is still 188.7MB. Free memory was 105.5MB in the beginning and 79.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,993 INFO L158 Benchmark]: RCFGBuilder took 30664.03ms. Allocated memory was 188.7MB in the beginning and 268.4MB in the end (delta: 79.7MB). Free memory was 79.2MB in the beginning and 112.1MB in the end (delta: -32.9MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,993 INFO L158 Benchmark]: TraceAbstraction took 116654.59ms. Allocated memory was 268.4MB in the beginning and 371.2MB in the end (delta: 102.8MB). Free memory was 112.1MB in the beginning and 94.7MB in the end (delta: 17.4MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. [2021-11-19 15:10:43,994 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 371.2MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:10:43,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4641.10ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 64.3MB in the beginning and 74.9MB in the end (delta: -10.6MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 354.31ms. Allocated memory is still 188.7MB. Free memory was 74.9MB in the beginning and 105.5MB in the end (delta: -30.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 331.04ms. Allocated memory is still 188.7MB. Free memory was 105.5MB in the beginning and 79.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 30664.03ms. Allocated memory was 188.7MB in the beginning and 268.4MB in the end (delta: 79.7MB). Free memory was 79.2MB in the beginning and 112.1MB in the end (delta: -32.9MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * TraceAbstraction took 116654.59ms. Allocated memory was 268.4MB in the beginning and 371.2MB in the end (delta: 102.8MB). Free memory was 112.1MB in the beginning and 94.7MB in the end (delta: 17.4MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 371.2MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, fops={62:0}, fops={62:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={-9223372036854775761:0}, arg2={-9223372036854775761:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={-9223372036854775761:0}, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={-9223372036854775761:0}, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___1=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=69, \old(cmd)=1074033753, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=69, \old(cmd)=1074033753, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=69, \old(cmd)=1074033753, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=69, \old(cmd)=1074033753, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=69, \old(cmd)=1074033753, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L7014] FCALL might_fault() VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __this_module={0:0}, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, cflags=64, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, cflags=64, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, cflags=64, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=69, \old(cmd)=1074033753, __mptr___1={-4611685743549480960:68723966080}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=512, arg=69, argp={0:69}, cflags=64, channel_count={114:0}, cmd=1074033753, code={127:0}, code___0={2305843009213694028:0}, compressor_list={130:0}, compressor_list_lock={98:0}, err=4294967282, file={0:0}, file={0:0}, idle={106:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775761:0}, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, p={0:69}, pf={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, val=512] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:137438953472}, xstate={-9223372036720558080:9007199254740992}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:137438953472}, xstate={-9223372036720558080:9007199254740992}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:137438953472}, xstate={-9223372036720558080:9007199254740992}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:137438953472}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036720558080:9007199254740992}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp={-4611685743549480960:68723966080}, ppp={-4611685743549480960:68723966080}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:137438953472}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036720558080:9007199254740992}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={1099511628800:-9223372036854513664}, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={1099511628800:-9223372036854513664}, module={1099511628800:-9223372036854513664}, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={1099511628800:-9223372036854513664}, module={1099511628800:-9223372036854513664}, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={114:0}, compressor_list={130:0}, compressor_list_lock={98:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={67:0}, npindex_to_proto={122:0}, ppp_class={0:0}, ppp_device_fops={62:0}, ppp_mutex={61:0}, ppp_net_id={110:0}, ppp_net_ops={60:0}, ppp_netdev_ops={2305843009213693990:0}, ppp_unit_count={131:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 116.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3671 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3353 mSDsluCounter, 17247 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10366 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 6881 mSDtfsCounter, 216 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4792occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 56.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2223 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 32/32 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 [2021-11-19 15:10:44,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d41169-9d5c-4543-8b31-9628354fc01a/bin/utaipan-UbGMyvGFUs/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample