./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF --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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:44:49,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:49,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:49,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:49,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:49,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:49,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:49,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:49,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:49,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:49,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:49,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:49,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:49,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:49,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:49,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:49,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:49,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:49,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:49,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:49,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:49,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:49,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:49,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:49,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:49,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:49,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:49,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:49,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:49,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:49,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:49,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:49,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:49,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:49,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:49,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:49,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:49,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:49,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:49,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:49,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:49,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:44:49,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:49,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:49,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:49,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:49,157 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:49,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:49,158 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:49,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:44:49,161 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:49,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:49,162 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:44:49,162 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:44:49,162 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:49,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:44:49,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:44:49,163 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:44:49,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:49,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:44:49,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:49,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:49,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:49,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:49,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:49,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:49,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:49,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:49,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:49,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:49,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:49,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:49,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:49,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:49,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:44:49,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:44:49,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:49,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:49,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:49,171 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-11-12 23:44:49,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:44:49,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:44:49,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:44:49,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:44:49,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:44:49,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-12 23:44:49,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/6e2ad2948/73a0aad06e4a4b94bddad719d77532b7/FLAG782fc9467 [2021-11-12 23:44:50,699 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:44:50,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-12 23:44:50,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/6e2ad2948/73a0aad06e4a4b94bddad719d77532b7/FLAG782fc9467 [2021-11-12 23:44:51,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/6e2ad2948/73a0aad06e4a4b94bddad719d77532b7 [2021-11-12 23:44:51,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:44:51,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:44:51,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:51,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:44:51,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:44:51,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:51" (1/1) ... [2021-11-12 23:44:51,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c39ced2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:51, skipping insertion in model container [2021-11-12 23:44:51,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:51" (1/1) ... [2021-11-12 23:44:51,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:44:51,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:44:53,569 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,678 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,684 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,698 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,714 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:53,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,175 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,182 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,438 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,485 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,508 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,512 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,539 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,540 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,547 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,552 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,570 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,578 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,616 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,633 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,644 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,652 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,663 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,674 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,712 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,718 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,724 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,760 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,800 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,806 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,814 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,815 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,816 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,819 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,820 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,822 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,824 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,825 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,826 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,828 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,831 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,878 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,879 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,880 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,886 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,899 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,900 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,900 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:54,901 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,116 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,117 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,118 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,119 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,122 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,123 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,123 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,124 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,126 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,130 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,144 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,145 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,457 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:55,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:57,209 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-12 23:44:57,211 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-12 23:44:57,212 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-12 23:44:57,212 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-12 23:44:57,212 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-12 23:44:57,213 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-12 23:44:57,213 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-12 23:44:57,214 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-12 23:44:57,214 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-12 23:44:57,215 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-12 23:44:57,215 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-12 23:44:57,216 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-12 23:44:57,216 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-12 23:44:57,216 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-12 23:44:57,217 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-12 23:44:57,217 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-12 23:44:57,218 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-12 23:44:57,218 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-12 23:44:57,219 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-12 23:44:57,219 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-12 23:44:57,220 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-12 23:44:57,220 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-12 23:44:57,221 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-12 23:44:57,221 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-12 23:44:57,222 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-12 23:44:57,222 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-12 23:44:57,223 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-12 23:44:57,223 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-12 23:44:57,224 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-12 23:44:57,224 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-12 23:44:57,225 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-12 23:44:57,225 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-12 23:44:57,226 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-12 23:44:57,226 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-12 23:44:57,227 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-12 23:44:57,227 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-12 23:44:57,228 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-12 23:44:57,228 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-12 23:44:57,229 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-12 23:44:57,230 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-12 23:44:57,230 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-12 23:44:57,231 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-12 23:44:57,231 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-12 23:44:57,231 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-12 23:44:57,232 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-12 23:44:57,232 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-12 23:44:57,233 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-12 23:44:57,233 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-12 23:44:57,234 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-12 23:44:57,234 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-12 23:44:57,235 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-12 23:44:57,235 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-12 23:44:57,236 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-12 23:44:57,236 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-12 23:44:57,264 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-12 23:44:57,264 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-12 23:44:57,265 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-12 23:44:57,265 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-12 23:44:57,266 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-12 23:44:57,266 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-12 23:44:57,266 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-12 23:44:57,267 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-12 23:44:57,267 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-12 23:44:57,267 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-12 23:44:57,268 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-12 23:44:57,268 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-12 23:44:57,269 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-12 23:44:57,269 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-12 23:44:57,269 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-12 23:44:57,270 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-12 23:44:57,270 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-12 23:44:57,270 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-12 23:44:57,271 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-12 23:44:57,271 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-12 23:44:57,272 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-12 23:44:57,272 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-12 23:44:57,272 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-12 23:44:57,273 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-12 23:44:57,273 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-12 23:44:57,273 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-12 23:44:57,274 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-12 23:44:57,274 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-12 23:44:57,275 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-12 23:44:57,275 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-12 23:44:57,275 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-12 23:44:57,276 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-12 23:44:57,276 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-12 23:44:57,276 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-12 23:44:57,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:57,336 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) [2021-11-12 23:44:57,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cafa1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:57, skipping insertion in model container [2021-11-12 23:44:57,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:57,338 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:44:57,340 INFO L158 Benchmark]: Toolchain (without parser) took 6290.41ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 66.6MB in the beginning and 88.8MB in the end (delta: -22.2MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-12 23:44:57,340 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:44:57,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6287.84ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 66.6MB in the beginning and 88.8MB in the end (delta: -22.2MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-12 23:44:57,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6287.84ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 66.6MB in the beginning and 88.8MB in the end (delta: -22.2MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7034]: 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF --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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:44:59,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:59,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:59,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:59,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:59,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:59,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:59,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:59,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:59,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:59,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:59,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:59,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:59,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:59,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:59,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:59,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:59,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:59,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:59,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:59,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:59,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:59,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:59,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:59,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:59,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:59,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:59,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:59,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:59,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:59,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:59,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:59,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:59,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:59,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:59,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:59,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:59,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:59,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:59,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:59,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:59,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:44:59,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:59,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:59,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:59,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:59,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:59,830 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:59,830 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:59,831 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:59,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:59,832 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:59,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:59,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:59,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:59,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:59,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:59,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:59,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:44:59,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:44:59,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:59,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:59,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:59,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:59,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:44:59,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:59,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:59,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:59,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:59,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:59,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:44:59,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:44:59,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:59,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:59,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:59,840 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-11-12 23:45:00,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:45:00,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:45:00,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:45:00,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:45:00,280 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:45:00,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-12 23:45:00,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/d890c0a09/3b8d330543884cd5af56f90b27352dde/FLAG0e44c09d0 [2021-11-12 23:45:01,364 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:45:01,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-12 23:45:01,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/d890c0a09/3b8d330543884cd5af56f90b27352dde/FLAG0e44c09d0 [2021-11-12 23:45:01,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/data/d890c0a09/3b8d330543884cd5af56f90b27352dde [2021-11-12 23:45:01,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:45:01,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:45:01,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:01,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:45:01,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:45:01,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77082f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01, skipping insertion in model container [2021-11-12 23:45:01,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:45:01,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:07,340 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-12 23:45:07,343 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-12 23:45:07,344 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-12 23:45:07,350 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-12 23:45:07,351 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-12 23:45:07,351 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-12 23:45:07,352 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-12 23:45:07,352 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-12 23:45:07,353 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-12 23:45:07,353 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-12 23:45:07,354 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-12 23:45:07,359 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-12 23:45:07,360 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-12 23:45:07,360 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-12 23:45:07,361 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-12 23:45:07,361 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-12 23:45:07,362 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-12 23:45:07,362 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-12 23:45:07,363 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-12 23:45:07,364 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-12 23:45:07,365 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-12 23:45:07,365 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-12 23:45:07,366 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-12 23:45:07,368 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-12 23:45:07,369 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-12 23:45:07,370 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-12 23:45:07,370 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-12 23:45:07,370 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-12 23:45:07,372 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-12 23:45:07,374 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-12 23:45:07,375 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-12 23:45:07,375 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-12 23:45:07,377 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-12 23:45:07,377 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-12 23:45:07,378 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-12 23:45:07,378 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-12 23:45:07,379 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-12 23:45:07,379 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-12 23:45:07,380 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-12 23:45:07,380 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-12 23:45:07,382 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-12 23:45:07,382 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-12 23:45:07,383 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-12 23:45:07,383 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-12 23:45:07,383 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-12 23:45:07,384 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-12 23:45:07,384 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-12 23:45:07,386 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-12 23:45:07,387 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-12 23:45:07,387 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-12 23:45:07,387 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-12 23:45:07,388 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-12 23:45:07,388 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-12 23:45:07,389 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-12 23:45:07,389 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-12 23:45:07,391 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-12 23:45:07,391 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-12 23:45:07,392 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-12 23:45:07,392 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-12 23:45:07,398 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-12 23:45:07,399 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-12 23:45:07,400 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-12 23:45:07,401 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-12 23:45:07,401 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-12 23:45:07,402 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-12 23:45:07,402 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-12 23:45:07,403 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-12 23:45:07,403 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-12 23:45:07,404 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-12 23:45:07,404 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-12 23:45:07,404 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-12 23:45:07,405 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-12 23:45:07,405 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-12 23:45:07,406 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-12 23:45:07,406 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-12 23:45:07,407 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-12 23:45:07,407 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-12 23:45:07,407 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-12 23:45:07,408 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-12 23:45:07,410 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-12 23:45:07,410 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-12 23:45:07,411 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-12 23:45:07,411 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-12 23:45:07,411 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-12 23:45:07,412 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-12 23:45:07,413 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-12 23:45:07,413 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-12 23:45:07,414 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-12 23:45:07,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:07,514 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:45:07,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:08,123 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-12 23:45:08,123 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-12 23:45:08,123 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-12 23:45:08,124 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-12 23:45:08,124 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-12 23:45:08,124 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-12 23:45:08,125 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-12 23:45:08,125 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-12 23:45:08,125 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-12 23:45:08,126 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-12 23:45:08,126 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-12 23:45:08,126 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-12 23:45:08,127 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-12 23:45:08,127 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-12 23:45:08,127 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-12 23:45:08,127 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-12 23:45:08,128 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-12 23:45:08,128 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-12 23:45:08,128 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-12 23:45:08,129 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-12 23:45:08,129 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-12 23:45:08,129 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-12 23:45:08,132 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-12 23:45:08,132 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-12 23:45:08,133 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-12 23:45:08,133 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-12 23:45:08,138 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-12 23:45:08,138 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-12 23:45:08,139 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-12 23:45:08,139 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-12 23:45:08,140 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-12 23:45:08,141 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-12 23:45:08,141 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-12 23:45:08,142 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-12 23:45:08,142 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-12 23:45:08,142 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-12 23:45:08,143 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-12 23:45:08,144 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-12 23:45:08,144 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-12 23:45:08,145 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-12 23:45:08,146 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-12 23:45:08,146 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-12 23:45:08,147 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-12 23:45:08,147 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-12 23:45:08,148 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-12 23:45:08,149 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-12 23:45:08,149 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-12 23:45:08,149 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-12 23:45:08,154 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-12 23:45:08,155 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-12 23:45:08,155 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-12 23:45:08,156 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-12 23:45:08,157 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-12 23:45:08,157 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-12 23:45:08,157 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-12 23:45:08,158 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-12 23:45:08,158 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-12 23:45:08,158 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-12 23:45:08,159 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-12 23:45:08,161 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-12 23:45:08,164 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-12 23:45:08,164 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-12 23:45:08,165 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-12 23:45:08,165 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-12 23:45:08,166 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-12 23:45:08,167 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-12 23:45:08,168 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-12 23:45:08,168 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-12 23:45:08,168 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-12 23:45:08,174 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-12 23:45:08,175 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-12 23:45:08,175 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-12 23:45:08,175 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-12 23:45:08,176 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-12 23:45:08,176 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-12 23:45:08,176 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-12 23:45:08,177 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-12 23:45:08,177 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-12 23:45:08,179 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-12 23:45:08,179 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-12 23:45:08,180 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-12 23:45:08,181 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-12 23:45:08,181 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-12 23:45:08,182 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-12 23:45:08,182 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-12 23:45:08,182 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-12 23:45:08,183 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-12 23:45:08,183 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-12 23:45:08,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:08,221 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:45:08,892 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-12 23:45:08,893 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-12 23:45:08,893 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-12 23:45:08,894 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-12 23:45:08,894 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-12 23:45:08,894 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-12 23:45:08,895 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-12 23:45:08,895 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-12 23:45:08,895 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-12 23:45:08,896 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-12 23:45:08,896 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-12 23:45:08,896 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-12 23:45:08,897 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-12 23:45:08,897 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-12 23:45:08,898 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-12 23:45:08,898 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-12 23:45:08,898 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-12 23:45:08,899 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-12 23:45:08,899 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-12 23:45:08,899 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-12 23:45:08,900 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-12 23:45:08,900 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-12 23:45:08,900 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-12 23:45:08,901 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-12 23:45:08,901 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-12 23:45:08,901 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-12 23:45:08,902 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-12 23:45:08,902 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-12 23:45:08,903 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-12 23:45:08,903 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-12 23:45:08,903 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-12 23:45:08,904 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-12 23:45:08,904 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-12 23:45:08,904 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-12 23:45:08,905 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-12 23:45:08,905 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-12 23:45:08,905 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-12 23:45:08,906 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-12 23:45:08,906 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-12 23:45:08,906 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-12 23:45:08,907 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-12 23:45:08,907 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-12 23:45:08,907 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-12 23:45:08,908 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-12 23:45:08,908 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-12 23:45:08,908 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-12 23:45:08,909 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-12 23:45:08,909 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-12 23:45:08,910 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-12 23:45:08,910 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-12 23:45:08,910 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-12 23:45:08,911 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-12 23:45:08,911 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-12 23:45:08,911 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-12 23:45:08,912 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-12 23:45:08,912 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-12 23:45:08,912 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-12 23:45:08,913 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-12 23:45:08,913 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-12 23:45:08,913 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-12 23:45:08,914 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-12 23:45:08,914 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-12 23:45:08,914 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-12 23:45:08,915 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-12 23:45:08,915 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-12 23:45:08,915 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-12 23:45:08,916 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-12 23:45:08,916 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-12 23:45:08,916 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-12 23:45:08,917 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-12 23:45:08,917 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-12 23:45:08,917 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-12 23:45:08,918 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-12 23:45:08,918 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-12 23:45:08,918 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-12 23:45:08,919 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-12 23:45:08,919 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-12 23:45:08,919 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-12 23:45:08,920 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-12 23:45:08,920 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-12 23:45:08,921 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-12 23:45:08,921 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-12 23:45:08,921 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-12 23:45:08,922 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-12 23:45:08,922 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-12 23:45:08,922 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-12 23:45:08,923 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-12 23:45:08,923 WARN L228 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_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-12 23:45:08,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:09,360 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:45:09,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09 WrapperNode [2021-11-12 23:45:09,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:09,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:09,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:45:09,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:45:09,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:09,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:09,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:09,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:45:09,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:45:09,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:45:09,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:09,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:09,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:09,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:10,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:10,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:10,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:10,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:45:10,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:45:10,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:45:10,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:45:10,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (1/1) ... [2021-11-12 23:45:10,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:45:10,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:45:10,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:45:10,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:45:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-12 23:45:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-12 23:45:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-12 23:45:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-12 23:45:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-12 23:45:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-12 23:45:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-12 23:45:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-12 23:45:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-12 23:45:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-12 23:45:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-12 23:45:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:45:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:45:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2021-11-12 23:45:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2021-11-12 23:45:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-12 23:45:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-12 23:45:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:45:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:45:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:45:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:45:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2021-11-12 23:45:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2021-11-12 23:45:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-12 23:45:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-12 23:45:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:45:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:45:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:45:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:45:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-12 23:45:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-12 23:45:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:45:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:45:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:45:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:45:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:45:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:45:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-12 23:45:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-12 23:45:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-12 23:45:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-12 23:45:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:45:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:45:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:45:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:45:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-12 23:45:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-12 23:45:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:45:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-12 23:45:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-12 23:45:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-12 23:45:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-12 23:45:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-12 23:45:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-12 23:45:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:45:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:45:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:45:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:45:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:45:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:45:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 23:45:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 23:45:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 23:45:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 23:45:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-12 23:45:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-12 23:45:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:45:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:45:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-12 23:45:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-12 23:45:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2021-11-12 23:45:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2021-11-12 23:45:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:45:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:45:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:45:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:45:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:45:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-12 23:45:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-12 23:45:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-12 23:45:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-12 23:45:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-12 23:45:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-12 23:45:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 23:45:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 23:45:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-12 23:45:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-12 23:45:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-12 23:45:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-12 23:45:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:45:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:45:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:45:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:45:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:45:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:45:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:45:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:45:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:45:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:45:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:45:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-12 23:45:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-12 23:45:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:45:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-12 23:45:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-12 23:45:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-12 23:45:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-12 23:45:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-12 23:45:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-12 23:45:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-12 23:45:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-12 23:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2021-11-12 23:45:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2021-11-12 23:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:45:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-12 23:45:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-12 23:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-12 23:45:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-12 23:45:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:45:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:45:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2021-11-12 23:45:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2021-11-12 23:45:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 23:45:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 23:45:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:45:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:45:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:45:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:45:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-12 23:45:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-12 23:45:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:45:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:45:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-12 23:45:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-12 23:45:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:45:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:45:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-12 23:45:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:45:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:45:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-12 23:45:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-12 23:45:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:45:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:45:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:45:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:45:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-11-12 23:45:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-11-12 23:45:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-12 23:45:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-12 23:45:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-12 23:45:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-12 23:45:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-12 23:45:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-12 23:45:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:45:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:45:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:45:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:45:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2021-11-12 23:45:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2021-11-12 23:45:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:45:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:45:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-12 23:45:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-12 23:45:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:45:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:45:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:45:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:45:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:45:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:45:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-12 23:45:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-12 23:45:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2021-11-12 23:45:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2021-11-12 23:45:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:45:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:45:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-12 23:45:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-12 23:45:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:45:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:45:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:45:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:45:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:45:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:45:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:45:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:45:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:45:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:45:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-12 23:45:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-12 23:45:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:45:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:45:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-12 23:45:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-12 23:45:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:45:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:45:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2021-11-12 23:45:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2021-11-12 23:45:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:45:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:45:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2021-11-12 23:45:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2021-11-12 23:45:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:45:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:45:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:45:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:45:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:45:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:45:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:45:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:45:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-12 23:45:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-12 23:45:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-12 23:45:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-12 23:45:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2021-11-12 23:45:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2021-11-12 23:45:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-11-12 23:45:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-11-12 23:45:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:45:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:45:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-12 23:45:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-12 23:45:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2021-11-12 23:45:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2021-11-12 23:45:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-11-12 23:45:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-11-12 23:45:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-12 23:45:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-12 23:45:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:45:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:45:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-12 23:45:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-12 23:45:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-11-12 23:45:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-11-12 23:45:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:45:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:45:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-12 23:45:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-12 23:45:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-12 23:45:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-12 23:45:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2021-11-12 23:45:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2021-11-12 23:45:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:45:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:45:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:45:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:45:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:45:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:45:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:45:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:45:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:45:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-12 23:45:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-12 23:45:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-12 23:45:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-12 23:45:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:45:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-12 23:45:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-12 23:45:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-12 23:45:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:45:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:45:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:45:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2021-11-12 23:45:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2021-11-12 23:45:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:45:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:45:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:45:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:45:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-12 23:45:10,286 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-12 23:45:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:45:10,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:45:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-12 23:45:10,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-12 23:45:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:45:10,287 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:45:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-11-12 23:45:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:45:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:45:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:45:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2021-11-12 23:45:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2021-11-12 23:45:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-12 23:45:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-12 23:45:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-12 23:45:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-12 23:45:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:45:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:45:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:45:10,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:45:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2021-11-12 23:45:10,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2021-11-12 23:45:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:45:10,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:45:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-12 23:45:10,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-12 23:45:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-12 23:45:10,291 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-12 23:45:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-12 23:45:10,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-12 23:45:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-11-12 23:45:10,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-11-12 23:45:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:45:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:45:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:45:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:45:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-11-12 23:45:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-11-12 23:45:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-12 23:45:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-12 23:45:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2021-11-12 23:45:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2021-11-12 23:45:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-12 23:45:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-12 23:45:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-12 23:45:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-12 23:45:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:45:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:45:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:45:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:45:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-12 23:45:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-12 23:45:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-12 23:45:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-12 23:45:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:45:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:45:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-12 23:45:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-12 23:45:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 23:45:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 23:45:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:45:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:45:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:45:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:45:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:45:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:45:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-12 23:45:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-12 23:45:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-12 23:45:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-12 23:45:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:45:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:45:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:45:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:45:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-12 23:45:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-12 23:45:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-12 23:45:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-12 23:45:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-12 23:45:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-12 23:45:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:45:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:45:11,490 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:45:55,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:45:55,094 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-12 23:45:55,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:55 BoogieIcfgContainer [2021-11-12 23:45:55,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:45:55,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:45:55,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:45:55,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:45:55,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:45:01" (1/3) ... [2021-11-12 23:45:55,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:55, skipping insertion in model container [2021-11-12 23:45:55,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:09" (2/3) ... [2021-11-12 23:45:55,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:55, skipping insertion in model container [2021-11-12 23:45:55,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:55" (3/3) ... [2021-11-12 23:45:55,108 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-12 23:45:55,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:45:55,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-11-12 23:45:55,174 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:45:55,179 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 [2021-11-12 23:45:55,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-11-12 23:45:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 2655 states, 1783 states have (on average 1.3258553000560853) internal successors, (2364), 1902 states have internal predecessors, (2364), 662 states have call successors, (662), 168 states have call predecessors, (662), 167 states have return successors, (656), 633 states have call predecessors, (656), 656 states have call successors, (656) [2021-11-12 23:45:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:45:55,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:55,258 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 23:45:55,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:45:55,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:55,263 INFO L85 PathProgramCache]: Analyzing trace with hash 575793846, now seen corresponding path program 1 times [2021-11-12 23:45:55,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:55,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639500506] [2021-11-12 23:45:55,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:55,281 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:55,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:55,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:45:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:57,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:45:57,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:45:58,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:45:58,446 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:58,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639500506] [2021-11-12 23:45:58,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639500506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:58,447 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:58,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:45:58,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943454139] [2021-11-12 23:45:58,449 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:58,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:45:58,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:58,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:45:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:45:58,488 INFO L87 Difference]: Start difference. First operand has 2655 states, 1783 states have (on average 1.3258553000560853) internal successors, (2364), 1902 states have internal predecessors, (2364), 662 states have call successors, (662), 168 states have call predecessors, (662), 167 states have return successors, (656), 633 states have call predecessors, (656), 656 states have call successors, (656) Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:45:59,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:59,242 INFO L93 Difference]: Finished difference Result 7815 states and 11337 transitions. [2021-11-12 23:45:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:45:59,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 34 [2021-11-12 23:45:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:59,313 INFO L225 Difference]: With dead ends: 7815 [2021-11-12 23:45:59,314 INFO L226 Difference]: Without dead ends: 5155 [2021-11-12 23:45:59,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:45:59,350 INFO L933 BasicCegarLoop]: 6629 mSDtfsCounter, 3544 mSDsluCounter, 29972 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 36601 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 135.42ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:59,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3545 Valid, 36601 Invalid, 22 Unknown, 0 Unchecked, 135.42ms Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 64.88ms Time] [2021-11-12 23:45:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2021-11-12 23:45:59,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 5062. [2021-11-12 23:45:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 3420 states have (on average 1.287719298245614) internal successors, (4404), 3607 states have internal predecessors, (4404), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-12 23:45:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 6940 transitions. [2021-11-12 23:45:59,834 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 6940 transitions. Word has length 34 [2021-11-12 23:45:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:59,834 INFO L470 AbstractCegarLoop]: Abstraction has 5062 states and 6940 transitions. [2021-11-12 23:45:59,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:45:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 6940 transitions. [2021-11-12 23:45:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-12 23:45:59,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:59,838 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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] [2021-11-12 23:45:59,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:00,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:00,062 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1122811761, now seen corresponding path program 1 times [2021-11-12 23:46:00,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:00,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479118939] [2021-11-12 23:46:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:00,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:00,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:00,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:46:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:02,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:02,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-12 23:46:02,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-12 23:46:03,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:03,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479118939] [2021-11-12 23:46:03,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479118939] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:03,147 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:03,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:46:03,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310354219] [2021-11-12 23:46:03,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:46:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:46:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:46:03,150 INFO L87 Difference]: Start difference. First operand 5062 states and 6940 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-12 23:46:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:03,502 INFO L93 Difference]: Finished difference Result 5062 states and 6940 transitions. [2021-11-12 23:46:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:46:03,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-12 23:46:03,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:03,539 INFO L225 Difference]: With dead ends: 5062 [2021-11-12 23:46:03,539 INFO L226 Difference]: Without dead ends: 5060 [2021-11-12 23:46:03,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:46:03,544 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 3528 mSDsluCounter, 7089 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 10635 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:03,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3529 Valid, 10635 Invalid, 14 Unknown, 0 Unchecked, 32.50ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 44.64ms Time] [2021-11-12 23:46:03,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2021-11-12 23:46:03,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 5060. [2021-11-12 23:46:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3419 states have (on average 1.2872184849371162) internal successors, (4401), 3605 states have internal predecessors, (4401), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-12 23:46:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 6937 transitions. [2021-11-12 23:46:03,829 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 6937 transitions. Word has length 53 [2021-11-12 23:46:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:03,830 INFO L470 AbstractCegarLoop]: Abstraction has 5060 states and 6937 transitions. [2021-11-12 23:46:03,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-12 23:46:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 6937 transitions. [2021-11-12 23:46:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:46:03,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:03,840 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:03,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:04,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:04,062 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:04,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:04,063 INFO L85 PathProgramCache]: Analyzing trace with hash -536264095, now seen corresponding path program 1 times [2021-11-12 23:46:04,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:04,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515052130] [2021-11-12 23:46:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:04,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:04,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:04,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:46:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:06,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:06,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:06,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:06,954 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:06,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515052130] [2021-11-12 23:46:06,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515052130] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:06,954 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:06,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:06,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832208082] [2021-11-12 23:46:06,955 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:06,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:06,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:06,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:06,956 INFO L87 Difference]: Start difference. First operand 5060 states and 6937 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-12 23:46:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:07,237 INFO L93 Difference]: Finished difference Result 5060 states and 6937 transitions. [2021-11-12 23:46:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 52 [2021-11-12 23:46:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:07,275 INFO L225 Difference]: With dead ends: 5060 [2021-11-12 23:46:07,276 INFO L226 Difference]: Without dead ends: 5058 [2021-11-12 23:46:07,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:07,280 INFO L933 BasicCegarLoop]: 3548 mSDtfsCounter, 3508 mSDsluCounter, 7092 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 10640 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:07,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 10640 Invalid, 2 Unknown, 0 Unchecked, 29.53ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.47ms Time] [2021-11-12 23:46:07,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2021-11-12 23:46:07,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 5058. [2021-11-12 23:46:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 3418 states have (on average 1.2867173785839672) internal successors, (4398), 3603 states have internal predecessors, (4398), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-12 23:46:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 6934 transitions. [2021-11-12 23:46:07,588 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 6934 transitions. Word has length 52 [2021-11-12 23:46:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:07,590 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 6934 transitions. [2021-11-12 23:46:07,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-12 23:46:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 6934 transitions. [2021-11-12 23:46:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-12 23:46:07,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:07,595 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:07,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:07,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:07,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:07,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1881499938, now seen corresponding path program 1 times [2021-11-12 23:46:07,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:07,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834499049] [2021-11-12 23:46:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:07,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:07,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:07,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:07,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:46:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:09,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:09,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:10,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:10,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:10,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834499049] [2021-11-12 23:46:10,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834499049] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:10,581 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:10,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:10,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742661090] [2021-11-12 23:46:10,582 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:10,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:10,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:10,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:10,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:10,583 INFO L87 Difference]: Start difference. First operand 5058 states and 6934 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:46:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:10,871 INFO L93 Difference]: Finished difference Result 5058 states and 6934 transitions. [2021-11-12 23:46:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 58 [2021-11-12 23:46:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:10,909 INFO L225 Difference]: With dead ends: 5058 [2021-11-12 23:46:10,909 INFO L226 Difference]: Without dead ends: 5056 [2021-11-12 23:46:10,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:10,915 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 3503 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 7090 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:10,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 7090 Invalid, 2 Unknown, 0 Unchecked, 20.03ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.18ms Time] [2021-11-12 23:46:10,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5056 states. [2021-11-12 23:46:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5056 to 5056. [2021-11-12 23:46:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 3417 states have (on average 1.286215978928885) internal successors, (4395), 3601 states have internal predecessors, (4395), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-12 23:46:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 6931 transitions. [2021-11-12 23:46:11,227 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 6931 transitions. Word has length 58 [2021-11-12 23:46:11,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:11,228 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 6931 transitions. [2021-11-12 23:46:11,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:46:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 6931 transitions. [2021-11-12 23:46:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-12 23:46:11,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:11,231 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:11,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:11,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:11,454 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:11,454 INFO L85 PathProgramCache]: Analyzing trace with hash 507594590, now seen corresponding path program 1 times [2021-11-12 23:46:11,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:11,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386269699] [2021-11-12 23:46:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:11,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:11,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:11,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:46:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:13,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:13,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:14,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:14,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:14,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386269699] [2021-11-12 23:46:14,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386269699] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:14,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:14,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:14,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268960705] [2021-11-12 23:46:14,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:14,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:14,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:14,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:14,275 INFO L87 Difference]: Start difference. First operand 5056 states and 6931 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:46:14,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:14,562 INFO L93 Difference]: Finished difference Result 5056 states and 6931 transitions. [2021-11-12 23:46:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:14,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-12 23:46:14,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:14,622 INFO L225 Difference]: With dead ends: 5056 [2021-11-12 23:46:14,622 INFO L226 Difference]: Without dead ends: 5054 [2021-11-12 23:46:14,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:14,626 INFO L933 BasicCegarLoop]: 3544 mSDtfsCounter, 3495 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3497 SdHoareTripleChecker+Valid, 7086 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:14,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3497 Valid, 7086 Invalid, 2 Unknown, 0 Unchecked, 17.60ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.84ms Time] [2021-11-12 23:46:14,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2021-11-12 23:46:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5054. [2021-11-12 23:46:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5054 states, 3416 states have (on average 1.2857142857142858) internal successors, (4392), 3599 states have internal predecessors, (4392), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-12 23:46:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 6928 transitions. [2021-11-12 23:46:14,936 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 6928 transitions. Word has length 64 [2021-11-12 23:46:14,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:14,936 INFO L470 AbstractCegarLoop]: Abstraction has 5054 states and 6928 transitions. [2021-11-12 23:46:14,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:46:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 6928 transitions. [2021-11-12 23:46:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-12 23:46:14,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:14,938 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:46:14,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:15,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:15,162 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_unregister_chrdev_159Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:15,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash 833204242, now seen corresponding path program 1 times [2021-11-12 23:46:15,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:15,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257958775] [2021-11-12 23:46:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:15,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:15,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:15,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:15,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:46:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:17,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:46:17,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-12 23:46:18,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-12 23:46:19,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:19,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257958775] [2021-11-12 23:46:19,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257958775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:19,029 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:19,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 18 [2021-11-12 23:46:19,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022962079] [2021-11-12 23:46:19,030 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:19,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:46:19,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:19,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:46:19,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:46:19,031 INFO L87 Difference]: Start difference. First operand 5054 states and 6928 transitions. Second operand has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-11-12 23:46:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:23,069 INFO L93 Difference]: Finished difference Result 5589 states and 7553 transitions. [2021-11-12 23:46:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-12 23:46:23,069 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 66 [2021-11-12 23:46:23,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:23,093 INFO L225 Difference]: With dead ends: 5589 [2021-11-12 23:46:23,093 INFO L226 Difference]: Without dead ends: 5127 [2021-11-12 23:46:23,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:46:23,099 INFO L933 BasicCegarLoop]: 3522 mSDtfsCounter, 54 mSDsluCounter, 56044 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2645.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 59566 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 100.57ms SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2861.73ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:23,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 59566 Invalid, 1138 Unknown, 0 Unchecked, 100.57ms Time], IncrementalHoareTripleChecker [198 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 2861.73ms Time] [2021-11-12 23:46:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5127 states. [2021-11-12 23:46:23,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5127 to 5080. [2021-11-12 23:46:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 3433 states have (on average 1.2842994465482085) internal successors, (4409), 3615 states have internal predecessors, (4409), 1278 states have call successors, (1278), 331 states have call predecessors, (1278), 330 states have return successors, (1276), 1227 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-11-12 23:46:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 6963 transitions. [2021-11-12 23:46:23,429 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 6963 transitions. Word has length 66 [2021-11-12 23:46:23,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:23,430 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 6963 transitions. [2021-11-12 23:46:23,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-11-12 23:46:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 6963 transitions. [2021-11-12 23:46:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 23:46:23,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:23,432 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:23,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:23,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:23,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash 70759439, now seen corresponding path program 1 times [2021-11-12 23:46:23,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:23,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50791428] [2021-11-12 23:46:23,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:23,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:23,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:23,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:46:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:25,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:25,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:26,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:26,657 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:26,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50791428] [2021-11-12 23:46:26,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50791428] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:26,658 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:26,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:26,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058375787] [2021-11-12 23:46:26,658 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:26,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:26,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:26,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:26,659 INFO L87 Difference]: Start difference. First operand 5080 states and 6963 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:46:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:26,975 INFO L93 Difference]: Finished difference Result 5080 states and 6963 transitions. [2021-11-12 23:46:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:26,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-12 23:46:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:27,004 INFO L225 Difference]: With dead ends: 5080 [2021-11-12 23:46:27,004 INFO L226 Difference]: Without dead ends: 5078 [2021-11-12 23:46:27,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:27,009 INFO L933 BasicCegarLoop]: 3542 mSDtfsCounter, 3487 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:27,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3489 Valid, 7082 Invalid, 2 Unknown, 0 Unchecked, 18.07ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.80ms Time] [2021-11-12 23:46:27,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2021-11-12 23:46:27,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 5078. [2021-11-12 23:46:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 3432 states have (on average 1.2837995337995338) internal successors, (4406), 3613 states have internal predecessors, (4406), 1278 states have call successors, (1278), 331 states have call predecessors, (1278), 330 states have return successors, (1276), 1227 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-11-12 23:46:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6960 transitions. [2021-11-12 23:46:27,323 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6960 transitions. Word has length 70 [2021-11-12 23:46:27,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:27,325 INFO L470 AbstractCegarLoop]: Abstraction has 5078 states and 6960 transitions. [2021-11-12 23:46:27,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:46:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6960 transitions. [2021-11-12 23:46:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 23:46:27,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:27,327 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:27,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:27,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:27,550 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:27,550 INFO L85 PathProgramCache]: Analyzing trace with hash -723835297, now seen corresponding path program 1 times [2021-11-12 23:46:27,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:27,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200576920] [2021-11-12 23:46:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:27,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:27,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:27,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:27,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:46:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:29,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:29,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:30,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:30,656 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:30,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200576920] [2021-11-12 23:46:30,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200576920] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:30,657 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:30,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:30,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116852978] [2021-11-12 23:46:30,657 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:30,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:30,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:30,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:30,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:30,659 INFO L87 Difference]: Start difference. First operand 5078 states and 6960 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:46:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:31,093 INFO L93 Difference]: Finished difference Result 5790 states and 7770 transitions. [2021-11-12 23:46:31,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:46:31,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-12 23:46:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:31,119 INFO L225 Difference]: With dead ends: 5790 [2021-11-12 23:46:31,119 INFO L226 Difference]: Without dead ends: 5788 [2021-11-12 23:46:31,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:31,124 INFO L933 BasicCegarLoop]: 3821 mSDtfsCounter, 3476 mSDsluCounter, 8103 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 11924 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.67ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:31,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3478 Valid, 11924 Invalid, 15 Unknown, 0 Unchecked, 26.67ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 48.76ms Time] [2021-11-12 23:46:31,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2021-11-12 23:46:31,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5523. [2021-11-12 23:46:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 3735 states have (on average 1.2701472556894244) internal successors, (4744), 3921 states have internal predecessors, (4744), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-12 23:46:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 7478 transitions. [2021-11-12 23:46:31,482 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 7478 transitions. Word has length 76 [2021-11-12 23:46:31,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:31,483 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 7478 transitions. [2021-11-12 23:46:31,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:46:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 7478 transitions. [2021-11-12 23:46:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-12 23:46:31,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:31,491 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:31,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:31,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:31,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:31,706 INFO L85 PathProgramCache]: Analyzing trace with hash -714363592, now seen corresponding path program 1 times [2021-11-12 23:46:31,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:31,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824558574] [2021-11-12 23:46:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:31,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:31,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:31,710 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:31,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:46:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:33,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:33,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:34,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:34,694 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:34,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824558574] [2021-11-12 23:46:34,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824558574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:34,694 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:34,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:34,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961754622] [2021-11-12 23:46:34,695 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:34,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:34,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:34,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:34,696 INFO L87 Difference]: Start difference. First operand 5523 states and 7478 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:46:35,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:35,095 INFO L93 Difference]: Finished difference Result 5633 states and 7563 transitions. [2021-11-12 23:46:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:46:35,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-12 23:46:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:35,121 INFO L225 Difference]: With dead ends: 5633 [2021-11-12 23:46:35,121 INFO L226 Difference]: Without dead ends: 5631 [2021-11-12 23:46:35,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:35,127 INFO L933 BasicCegarLoop]: 4162 mSDtfsCounter, 3465 mSDsluCounter, 11755 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3467 SdHoareTripleChecker+Valid, 15917 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.51ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:35,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3467 Valid, 15917 Invalid, 16 Unknown, 0 Unchecked, 34.51ms Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 44.52ms Time] [2021-11-12 23:46:35,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2021-11-12 23:46:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5523. [2021-11-12 23:46:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 3735 states have (on average 1.269879518072289) internal successors, (4743), 3921 states have internal predecessors, (4743), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-12 23:46:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 7477 transitions. [2021-11-12 23:46:35,534 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 7477 transitions. Word has length 82 [2021-11-12 23:46:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:35,535 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 7477 transitions. [2021-11-12 23:46:35,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:46:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 7477 transitions. [2021-11-12 23:46:35,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 23:46:35,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:35,537 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:35,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:35,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:35,762 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:35,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:35,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1389994283, now seen corresponding path program 1 times [2021-11-12 23:46:35,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:35,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861267281] [2021-11-12 23:46:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:35,764 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:35,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:35,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:35,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:46:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:38,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:38,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:38,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:38,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:38,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861267281] [2021-11-12 23:46:38,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861267281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:38,967 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:38,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:38,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77401019] [2021-11-12 23:46:38,967 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:38,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:38,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:38,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:38,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:38,969 INFO L87 Difference]: Start difference. First operand 5523 states and 7477 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:46:39,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:39,295 INFO L93 Difference]: Finished difference Result 5523 states and 7477 transitions. [2021-11-12 23:46:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-12 23:46:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:39,321 INFO L225 Difference]: With dead ends: 5523 [2021-11-12 23:46:39,322 INFO L226 Difference]: Without dead ends: 5521 [2021-11-12 23:46:39,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:39,326 INFO L933 BasicCegarLoop]: 3540 mSDtfsCounter, 3467 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:39,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3469 Valid, 7078 Invalid, 2 Unknown, 0 Unchecked, 17.75ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.14ms Time] [2021-11-12 23:46:39,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5521 states. [2021-11-12 23:46:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5521 to 5521. [2021-11-12 23:46:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5521 states, 3734 states have (on average 1.2694161756829139) internal successors, (4740), 3919 states have internal predecessors, (4740), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-12 23:46:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 7474 transitions. [2021-11-12 23:46:39,740 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 7474 transitions. Word has length 88 [2021-11-12 23:46:39,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:39,741 INFO L470 AbstractCegarLoop]: Abstraction has 5521 states and 7474 transitions. [2021-11-12 23:46:39,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:46:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 7474 transitions. [2021-11-12 23:46:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 23:46:39,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:39,744 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:39,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:39,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:39,961 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:39,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1663604516, now seen corresponding path program 1 times [2021-11-12 23:46:39,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:39,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268082212] [2021-11-12 23:46:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:39,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:39,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:39,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:40,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:46:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:42,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:42,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:42,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:43,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:43,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268082212] [2021-11-12 23:46:43,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268082212] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:43,269 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:43,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:43,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199224955] [2021-11-12 23:46:43,270 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:43,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:43,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:43,272 INFO L87 Difference]: Start difference. First operand 5521 states and 7474 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:43,938 INFO L93 Difference]: Finished difference Result 10270 states and 13858 transitions. [2021-11-12 23:46:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:46:43,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-12 23:46:43,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:43,986 INFO L225 Difference]: With dead ends: 10270 [2021-11-12 23:46:43,986 INFO L226 Difference]: Without dead ends: 10268 [2021-11-12 23:46:43,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:43,993 INFO L933 BasicCegarLoop]: 4096 mSDtfsCounter, 2963 mSDsluCounter, 7582 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 11678 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.32ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:43,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2965 Valid, 11678 Invalid, 12 Unknown, 0 Unchecked, 26.32ms Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 40.79ms Time] [2021-11-12 23:46:44,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10268 states. [2021-11-12 23:46:44,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10268 to 10033. [2021-11-12 23:46:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10033 states, 6787 states have (on average 1.261824075438338) internal successors, (8564), 7070 states have internal predecessors, (8564), 2490 states have call successors, (2490), 720 states have call predecessors, (2490), 719 states have return successors, (2558), 2400 states have call predecessors, (2558), 2488 states have call successors, (2558) [2021-11-12 23:46:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10033 states to 10033 states and 13612 transitions. [2021-11-12 23:46:44,751 INFO L78 Accepts]: Start accepts. Automaton has 10033 states and 13612 transitions. Word has length 94 [2021-11-12 23:46:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:44,751 INFO L470 AbstractCegarLoop]: Abstraction has 10033 states and 13612 transitions. [2021-11-12 23:46:44,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10033 states and 13612 transitions. [2021-11-12 23:46:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-12 23:46:44,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:44,754 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 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] [2021-11-12 23:46:44,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:44,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:44,973 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:44,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1788471270, now seen corresponding path program 1 times [2021-11-12 23:46:44,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:44,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272491466] [2021-11-12 23:46:44,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:44,975 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:44,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:44,976 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:44,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:46:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:47,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-12 23:46:47,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:46:47,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-12 23:46:48,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:48,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272491466] [2021-11-12 23:46:48,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272491466] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:48,140 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:48,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2021-11-12 23:46:48,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734870659] [2021-11-12 23:46:48,140 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:48,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:46:48,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:48,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:46:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:46:48,141 INFO L87 Difference]: Start difference. First operand 10033 states and 13612 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 23:46:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:50,502 INFO L93 Difference]: Finished difference Result 11271 states and 15105 transitions. [2021-11-12 23:46:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:46:50,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 99 [2021-11-12 23:46:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:50,546 INFO L225 Difference]: With dead ends: 11271 [2021-11-12 23:46:50,546 INFO L226 Difference]: Without dead ends: 10019 [2021-11-12 23:46:50,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:46:50,554 INFO L933 BasicCegarLoop]: 4334 mSDtfsCounter, 3239 mSDsluCounter, 31436 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1115.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 35770 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.38ms SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1328.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:50,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3264 Valid, 35770 Invalid, 1325 Unknown, 0 Unchecked, 66.38ms Time], IncrementalHoareTripleChecker [1254 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1328.26ms Time] [2021-11-12 23:46:50,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10019 states. [2021-11-12 23:46:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10019 to 9921. [2021-11-12 23:46:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9921 states, 6715 states have (on average 1.2619508562918837) internal successors, (8474), 6992 states have internal predecessors, (8474), 2458 states have call successors, (2458), 712 states have call predecessors, (2458), 711 states have return successors, (2526), 2370 states have call predecessors, (2526), 2456 states have call successors, (2526) [2021-11-12 23:46:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9921 states to 9921 states and 13458 transitions. [2021-11-12 23:46:51,336 INFO L78 Accepts]: Start accepts. Automaton has 9921 states and 13458 transitions. Word has length 99 [2021-11-12 23:46:51,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:51,336 INFO L470 AbstractCegarLoop]: Abstraction has 9921 states and 13458 transitions. [2021-11-12 23:46:51,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 23:46:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 9921 states and 13458 transitions. [2021-11-12 23:46:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-12 23:46:51,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:51,340 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:51,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:51,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:51,554 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:51,554 INFO L85 PathProgramCache]: Analyzing trace with hash -995916929, now seen corresponding path program 1 times [2021-11-12 23:46:51,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:51,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005435526] [2021-11-12 23:46:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:51,556 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:51,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:46:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:53,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:54,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:54,687 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:54,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005435526] [2021-11-12 23:46:54,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005435526] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:54,688 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:54,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:54,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881233885] [2021-11-12 23:46:54,688 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:54,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:54,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:54,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:54,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:54,690 INFO L87 Difference]: Start difference. First operand 9921 states and 13458 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:55,183 INFO L93 Difference]: Finished difference Result 10161 states and 13708 transitions. [2021-11-12 23:46:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:55,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 96 [2021-11-12 23:46:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:55,310 INFO L225 Difference]: With dead ends: 10161 [2021-11-12 23:46:55,311 INFO L226 Difference]: Without dead ends: 10159 [2021-11-12 23:46:55,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:55,316 INFO L933 BasicCegarLoop]: 3548 mSDtfsCounter, 3417 mSDsluCounter, 7190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 10738 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.02ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:55,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3419 Valid, 10738 Invalid, 11 Unknown, 0 Unchecked, 14.02ms Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 27.31ms Time] [2021-11-12 23:46:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10159 states. [2021-11-12 23:46:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10159 to 10155. [2021-11-12 23:46:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10155 states, 6858 states have (on average 1.257072032662584) internal successors, (8621), 7134 states have internal predecessors, (8621), 2506 states have call successors, (2506), 756 states have call predecessors, (2506), 755 states have return successors, (2574), 2418 states have call predecessors, (2574), 2504 states have call successors, (2574) [2021-11-12 23:46:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 13701 transitions. [2021-11-12 23:46:56,283 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 13701 transitions. Word has length 96 [2021-11-12 23:46:56,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:56,284 INFO L470 AbstractCegarLoop]: Abstraction has 10155 states and 13701 transitions. [2021-11-12 23:46:56,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 13701 transitions. [2021-11-12 23:46:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-12 23:46:56,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:56,286 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:56,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:56,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:56,510 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:46:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:56,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1010629415, now seen corresponding path program 1 times [2021-11-12 23:46:56,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:56,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875625152] [2021-11-12 23:46:56,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:56,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:56,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:56,514 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:46:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:58,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:59,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:46:59,978 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:59,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875625152] [2021-11-12 23:46:59,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875625152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:59,978 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:59,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:59,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038931446] [2021-11-12 23:46:59,979 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:59,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:59,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:59,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:59,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:59,981 INFO L87 Difference]: Start difference. First operand 10155 states and 13701 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:47:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:01,053 INFO L93 Difference]: Finished difference Result 20202 states and 27477 transitions. [2021-11-12 23:47:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:47:01,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 102 [2021-11-12 23:47:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:01,139 INFO L225 Difference]: With dead ends: 20202 [2021-11-12 23:47:01,139 INFO L226 Difference]: Without dead ends: 20200 [2021-11-12 23:47:01,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:01,149 INFO L933 BasicCegarLoop]: 4224 mSDtfsCounter, 3446 mSDsluCounter, 11935 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3448 SdHoareTripleChecker+Valid, 16159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 89.04ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:01,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3448 Valid, 16159 Invalid, 22 Unknown, 0 Unchecked, 89.04ms Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 59.30ms Time] [2021-11-12 23:47:01,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20200 states. [2021-11-12 23:47:02,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20200 to 19982. [2021-11-12 23:47:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19982 states, 13522 states have (on average 1.258023960952522) internal successors, (17011), 14034 states have internal predecessors, (17011), 4941 states have call successors, (4941), 1484 states have call predecessors, (4941), 1483 states have return successors, (5303), 4765 states have call predecessors, (5303), 4939 states have call successors, (5303) [2021-11-12 23:47:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19982 states to 19982 states and 27255 transitions. [2021-11-12 23:47:02,669 INFO L78 Accepts]: Start accepts. Automaton has 19982 states and 27255 transitions. Word has length 102 [2021-11-12 23:47:02,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:02,672 INFO L470 AbstractCegarLoop]: Abstraction has 19982 states and 27255 transitions. [2021-11-12 23:47:02,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:47:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 19982 states and 27255 transitions. [2021-11-12 23:47:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:47:02,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:02,675 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 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] [2021-11-12 23:47:02,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:02,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:02,890 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:02,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:02,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1114804817, now seen corresponding path program 1 times [2021-11-12 23:47:02,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:02,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124752387] [2021-11-12 23:47:02,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:02,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:02,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:02,894 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:02,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:47:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:05,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:47:05,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-12 23:47:05,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-12 23:47:06,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:06,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124752387] [2021-11-12 23:47:06,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124752387] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:47:06,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:47:06,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 14 [2021-11-12 23:47:06,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411549237] [2021-11-12 23:47:06,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:06,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:47:06,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:47:06,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:47:06,397 INFO L87 Difference]: Start difference. First operand 19982 states and 27255 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2021-11-12 23:47:12,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:12,808 INFO L93 Difference]: Finished difference Result 35794 states and 49154 transitions. [2021-11-12 23:47:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:47:12,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 106 [2021-11-12 23:47:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:12,913 INFO L225 Difference]: With dead ends: 35794 [2021-11-12 23:47:12,914 INFO L226 Difference]: Without dead ends: 23901 [2021-11-12 23:47:12,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:47:12,974 INFO L933 BasicCegarLoop]: 4468 mSDtfsCounter, 2165 mSDsluCounter, 22070 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4064.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 26538 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.10ms SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4423.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:12,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2166 Valid, 26538 Invalid, 2085 Unknown, 0 Unchecked, 41.10ms Time], IncrementalHoareTripleChecker [840 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 4423.74ms Time] [2021-11-12 23:47:12,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23901 states. [2021-11-12 23:47:14,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23901 to 19989. [2021-11-12 23:47:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19989 states, 13527 states have (on average 1.2579285872699046) internal successors, (17016), 14038 states have internal predecessors, (17016), 4943 states have call successors, (4943), 1484 states have call predecessors, (4943), 1483 states have return successors, (5305), 4767 states have call predecessors, (5305), 4941 states have call successors, (5305) [2021-11-12 23:47:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19989 states to 19989 states and 27264 transitions. [2021-11-12 23:47:14,622 INFO L78 Accepts]: Start accepts. Automaton has 19989 states and 27264 transitions. Word has length 106 [2021-11-12 23:47:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:14,623 INFO L470 AbstractCegarLoop]: Abstraction has 19989 states and 27264 transitions. [2021-11-12 23:47:14,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2021-11-12 23:47:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 19989 states and 27264 transitions. [2021-11-12 23:47:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:47:14,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:14,626 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:14,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-12 23:47:14,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,842 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1127502041, now seen corresponding path program 1 times [2021-11-12 23:47:14,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:14,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564472310] [2021-11-12 23:47:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:14,844 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:14,844 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:14,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:47:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:17,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:17,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:17,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:18,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:18,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564472310] [2021-11-12 23:47:18,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564472310] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:18,029 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:18,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:18,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360952654] [2021-11-12 23:47:18,030 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:18,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:18,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:18,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:18,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:18,032 INFO L87 Difference]: Start difference. First operand 19989 states and 27264 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:19,212 INFO L93 Difference]: Finished difference Result 19989 states and 27264 transitions. [2021-11-12 23:47:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-12 23:47:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:19,282 INFO L225 Difference]: With dead ends: 19989 [2021-11-12 23:47:19,282 INFO L226 Difference]: Without dead ends: 19987 [2021-11-12 23:47:19,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:19,290 INFO L933 BasicCegarLoop]: 3536 mSDtfsCounter, 3440 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 10604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:19,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 10604 Invalid, 2 Unknown, 0 Unchecked, 14.56ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.90ms Time] [2021-11-12 23:47:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19987 states. [2021-11-12 23:47:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19987 to 19987. [2021-11-12 23:47:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19987 states, 13526 states have (on average 1.257799792991276) internal successors, (17013), 14036 states have internal predecessors, (17013), 4943 states have call successors, (4943), 1484 states have call predecessors, (4943), 1483 states have return successors, (5305), 4767 states have call predecessors, (5305), 4941 states have call successors, (5305) [2021-11-12 23:47:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19987 states to 19987 states and 27261 transitions. [2021-11-12 23:47:20,907 INFO L78 Accepts]: Start accepts. Automaton has 19987 states and 27261 transitions. Word has length 108 [2021-11-12 23:47:20,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:20,908 INFO L470 AbstractCegarLoop]: Abstraction has 19987 states and 27261 transitions. [2021-11-12 23:47:20,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 19987 states and 27261 transitions. [2021-11-12 23:47:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-12 23:47:20,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:20,910 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 2, 2, 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] [2021-11-12 23:47:20,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:21,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:21,126 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash -279821352, now seen corresponding path program 1 times [2021-11-12 23:47:21,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:21,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195753733] [2021-11-12 23:47:21,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:21,128 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:21,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:21,129 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:21,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:47:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:47:23,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-12 23:47:23,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-12 23:47:24,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:24,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195753733] [2021-11-12 23:47:24,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195753733] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:24,227 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:24,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:47:24,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148352769] [2021-11-12 23:47:24,227 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:24,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:47:24,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:24,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:47:24,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:24,229 INFO L87 Difference]: Start difference. First operand 19987 states and 27261 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-12 23:47:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:26,439 INFO L93 Difference]: Finished difference Result 31921 states and 43141 transitions. [2021-11-12 23:47:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:26,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 116 [2021-11-12 23:47:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:26,521 INFO L225 Difference]: With dead ends: 31921 [2021-11-12 23:47:26,521 INFO L226 Difference]: Without dead ends: 20009 [2021-11-12 23:47:26,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:47:26,576 INFO L933 BasicCegarLoop]: 3588 mSDtfsCounter, 2167 mSDsluCounter, 7748 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 638.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2167 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.70ms SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 796.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:26,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2167 Valid, 11336 Invalid, 845 Unknown, 0 Unchecked, 16.70ms Time], IncrementalHoareTripleChecker [842 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 796.94ms Time] [2021-11-12 23:47:26,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20009 states. [2021-11-12 23:47:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20009 to 19974. [2021-11-12 23:47:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19974 states, 13519 states have (on average 1.2577113691841113) internal successors, (17003), 14028 states have internal predecessors, (17003), 4937 states have call successors, (4937), 1484 states have call predecessors, (4937), 1483 states have return successors, (5299), 4761 states have call predecessors, (5299), 4935 states have call successors, (5299) [2021-11-12 23:47:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19974 states to 19974 states and 27239 transitions. [2021-11-12 23:47:28,184 INFO L78 Accepts]: Start accepts. Automaton has 19974 states and 27239 transitions. Word has length 116 [2021-11-12 23:47:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:28,185 INFO L470 AbstractCegarLoop]: Abstraction has 19974 states and 27239 transitions. [2021-11-12 23:47:28,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-12 23:47:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19974 states and 27239 transitions. [2021-11-12 23:47:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-12 23:47:28,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:28,188 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 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] [2021-11-12 23:47:28,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:28,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:28,410 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:28,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:28,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1001381280, now seen corresponding path program 1 times [2021-11-12 23:47:28,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:28,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73979295] [2021-11-12 23:47:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:28,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:28,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:28,413 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:28,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:47:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:30,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:47:30,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-12 23:47:31,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-12 23:47:31,931 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:31,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73979295] [2021-11-12 23:47:31,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73979295] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:47:31,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:47:31,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 10 [2021-11-12 23:47:31,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166131437] [2021-11-12 23:47:31,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:31,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:47:31,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:31,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:47:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:47:31,933 INFO L87 Difference]: Start difference. First operand 19974 states and 27239 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2021-11-12 23:47:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:35,998 INFO L93 Difference]: Finished difference Result 21208 states and 28710 transitions. [2021-11-12 23:47:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:47:35,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 112 [2021-11-12 23:47:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:36,075 INFO L225 Difference]: With dead ends: 21208 [2021-11-12 23:47:36,075 INFO L226 Difference]: Without dead ends: 20066 [2021-11-12 23:47:36,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:47:36,088 INFO L933 BasicCegarLoop]: 3782 mSDtfsCounter, 4182 mSDsluCounter, 23865 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 1377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2149.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4412 SdHoareTripleChecker+Valid, 27647 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.57ms SdHoareTripleChecker+Time, 1377 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2430.73ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:36,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4412 Valid, 27647 Invalid, 1799 Unknown, 0 Unchecked, 44.57ms Time], IncrementalHoareTripleChecker [1377 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 2430.73ms Time] [2021-11-12 23:47:36,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20066 states. [2021-11-12 23:47:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20066 to 19972. [2021-11-12 23:47:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19972 states, 13518 states have (on average 1.2576564580559255) internal successors, (17001), 14027 states have internal predecessors, (17001), 4936 states have call successors, (4936), 1484 states have call predecessors, (4936), 1483 states have return successors, (5298), 4760 states have call predecessors, (5298), 4934 states have call successors, (5298) [2021-11-12 23:47:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19972 states to 19972 states and 27235 transitions. [2021-11-12 23:47:37,628 INFO L78 Accepts]: Start accepts. Automaton has 19972 states and 27235 transitions. Word has length 112 [2021-11-12 23:47:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:37,629 INFO L470 AbstractCegarLoop]: Abstraction has 19972 states and 27235 transitions. [2021-11-12 23:47:37,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2021-11-12 23:47:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 19972 states and 27235 transitions. [2021-11-12 23:47:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 23:47:37,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:37,631 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:37,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:37,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:37,854 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:37,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:37,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1155716799, now seen corresponding path program 1 times [2021-11-12 23:47:37,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:37,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714760190] [2021-11-12 23:47:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:37,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:37,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:37,858 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:37,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:47:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:40,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:40,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:40,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:41,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:41,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714760190] [2021-11-12 23:47:41,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714760190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:41,174 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:41,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:41,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365964292] [2021-11-12 23:47:41,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:41,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:41,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:41,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:41,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:41,176 INFO L87 Difference]: Start difference. First operand 19972 states and 27235 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:42,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:42,166 INFO L93 Difference]: Finished difference Result 19972 states and 27235 transitions. [2021-11-12 23:47:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:42,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-12 23:47:42,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:42,219 INFO L225 Difference]: With dead ends: 19972 [2021-11-12 23:47:42,219 INFO L226 Difference]: Without dead ends: 19970 [2021-11-12 23:47:42,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:42,227 INFO L933 BasicCegarLoop]: 3528 mSDtfsCounter, 3426 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:42,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3428 Valid, 10580 Invalid, 2 Unknown, 0 Unchecked, 13.62ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.01ms Time] [2021-11-12 23:47:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19970 states. [2021-11-12 23:47:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19970 to 19970. [2021-11-12 23:47:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19970 states, 13517 states have (on average 1.2575275578900644) internal successors, (16998), 14025 states have internal predecessors, (16998), 4936 states have call successors, (4936), 1484 states have call predecessors, (4936), 1483 states have return successors, (5298), 4760 states have call predecessors, (5298), 4934 states have call successors, (5298) [2021-11-12 23:47:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19970 states to 19970 states and 27232 transitions. [2021-11-12 23:47:43,892 INFO L78 Accepts]: Start accepts. Automaton has 19970 states and 27232 transitions. Word has length 114 [2021-11-12 23:47:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:43,893 INFO L470 AbstractCegarLoop]: Abstraction has 19970 states and 27232 transitions. [2021-11-12 23:47:43,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 19970 states and 27232 transitions. [2021-11-12 23:47:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 23:47:43,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:43,895 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:43,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:44,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:44,098 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:44,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:44,098 INFO L85 PathProgramCache]: Analyzing trace with hash 264901819, now seen corresponding path program 1 times [2021-11-12 23:47:44,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:44,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774622263] [2021-11-12 23:47:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:44,100 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:44,100 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:44,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:47:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:46,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:46,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:47,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:47,416 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:47,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774622263] [2021-11-12 23:47:47,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774622263] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:47,416 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:47,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:47,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838769836] [2021-11-12 23:47:47,417 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:47,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:47,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:47,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:47,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:47,418 INFO L87 Difference]: Start difference. First operand 19970 states and 27232 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:47:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:49,216 INFO L93 Difference]: Finished difference Result 33268 states and 45970 transitions. [2021-11-12 23:47:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:47:49,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-12 23:47:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:49,319 INFO L225 Difference]: With dead ends: 33268 [2021-11-12 23:47:49,319 INFO L226 Difference]: Without dead ends: 33266 [2021-11-12 23:47:49,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:49,332 INFO L933 BasicCegarLoop]: 3991 mSDtfsCounter, 2190 mSDsluCounter, 11466 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 15457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.43ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:49,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2192 Valid, 15457 Invalid, 15 Unknown, 0 Unchecked, 18.43ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 42.58ms Time] [2021-11-12 23:47:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33266 states. [2021-11-12 23:47:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33266 to 32875. [2021-11-12 23:47:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32875 states, 22269 states have (on average 1.2648973909919619) internal successors, (28168), 23137 states have internal predecessors, (28168), 8067 states have call successors, (8067), 2522 states have call predecessors, (8067), 2505 states have return successors, (9259), 7691 states have call predecessors, (9259), 8065 states have call successors, (9259) [2021-11-12 23:47:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32875 states to 32875 states and 45494 transitions. [2021-11-12 23:47:51,811 INFO L78 Accepts]: Start accepts. Automaton has 32875 states and 45494 transitions. Word has length 120 [2021-11-12 23:47:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:51,812 INFO L470 AbstractCegarLoop]: Abstraction has 32875 states and 45494 transitions. [2021-11-12 23:47:51,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:47:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32875 states and 45494 transitions. [2021-11-12 23:47:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 23:47:51,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:51,814 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:51,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:52,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:52,018 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:47:52,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:52,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1948834429, now seen corresponding path program 1 times [2021-11-12 23:47:52,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:52,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134526647] [2021-11-12 23:47:52,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:52,020 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:52,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:52,020 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:52,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:47:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:54,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:54,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:55,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:47:55,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:55,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134526647] [2021-11-12 23:47:55,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134526647] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:55,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:55,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:55,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794415608] [2021-11-12 23:47:55,431 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:55,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:55,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:55,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:55,433 INFO L87 Difference]: Start difference. First operand 32875 states and 45494 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:47:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:57,575 INFO L93 Difference]: Finished difference Result 32875 states and 45494 transitions. [2021-11-12 23:47:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:57,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-12 23:47:57,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:57,695 INFO L225 Difference]: With dead ends: 32875 [2021-11-12 23:47:57,695 INFO L226 Difference]: Without dead ends: 32873 [2021-11-12 23:47:57,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:57,710 INFO L933 BasicCegarLoop]: 3526 mSDtfsCounter, 3415 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:57,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 7050 Invalid, 2 Unknown, 0 Unchecked, 12.75ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.04ms Time] [2021-11-12 23:47:57,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32873 states. [2021-11-12 23:48:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32873 to 32873. [2021-11-12 23:48:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32873 states, 22268 states have (on average 1.2648194718879109) internal successors, (28165), 23135 states have internal predecessors, (28165), 8067 states have call successors, (8067), 2522 states have call predecessors, (8067), 2505 states have return successors, (9259), 7691 states have call predecessors, (9259), 8065 states have call successors, (9259) [2021-11-12 23:48:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32873 states to 32873 states and 45491 transitions. [2021-11-12 23:48:00,352 INFO L78 Accepts]: Start accepts. Automaton has 32873 states and 45491 transitions. Word has length 126 [2021-11-12 23:48:00,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:00,353 INFO L470 AbstractCegarLoop]: Abstraction has 32873 states and 45491 transitions. [2021-11-12 23:48:00,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:48:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 32873 states and 45491 transitions. [2021-11-12 23:48:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-12 23:48:00,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:00,355 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:00,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:00,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:00,570 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-12 23:48:00,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2130298627, now seen corresponding path program 1 times [2021-11-12 23:48:00,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:00,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938366656] [2021-11-12 23:48:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:00,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:00,573 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0356a4b7-f6fb-4968-a9ef-849ac4ec23c4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:48:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:02,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:48:02,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:48:03,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:48:04,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:04,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938366656] [2021-11-12 23:48:04,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938366656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:04,606 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:04,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2021-11-12 23:48:04,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733671307] [2021-11-12 23:48:04,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:04,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:48:04,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:04,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:48:04,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:48:04,608 INFO L87 Difference]: Start difference. First operand 32873 states and 45491 transitions. Second operand has 8 states, 8 states have (on average 21.125) internal successors, (169), 6 states have internal predecessors, (169), 3 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-12 23:48:08,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:08,251 INFO L93 Difference]: Finished difference Result 49103 states and 68455 transitions. [2021-11-12 23:48:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:48:08,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 6 states have internal predecessors, (169), 3 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 133 [2021-11-12 23:48:08,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:08,447 INFO L225 Difference]: With dead ends: 49103 [2021-11-12 23:48:08,447 INFO L226 Difference]: Without dead ends: 49101 [2021-11-12 23:48:08,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:48:08,465 INFO L933 BasicCegarLoop]: 4023 mSDtfsCounter, 2643 mSDsluCounter, 23045 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 27068 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.98ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:08,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 27068 Invalid, 47 Unknown, 0 Unchecked, 42.98ms Time], IncrementalHoareTripleChecker [23 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 103.81ms Time] [2021-11-12 23:48:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49101 states.