./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:23,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:23,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:24,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:24,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:24,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:24,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:24,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:24,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:24,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:24,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:24,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:24,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:24,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:24,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:24,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:24,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:24,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:24,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:24,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:24,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:24,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:24,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:24,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:24,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:24,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:24,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:24,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:24,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:24,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:24,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:24,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:24,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:24,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:24,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:24,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:24,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:24,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:24,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:24,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:24,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:24,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:30:24,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:24,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:24,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:24,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:24,171 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:24,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:24,171 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:24,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:30:24,178 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:24,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:24,179 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:30:24,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:30:24,180 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:24,180 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:30:24,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:30:24,181 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:30:24,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:24,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:30:24,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:24,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:24,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:24,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:24,183 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:24,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:24,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:24,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:24,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:24,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:24,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:24,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:24,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:24,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:24,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:30:24,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:30:24,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:24,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:24,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:24,188 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_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2021-11-19 14:30:24,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:24,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:24,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:24,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:24,532 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:24,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:30:24,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/d7cad0e3b/39643086c53a4a50b7be772e53d601a9/FLAG046f97717 [2021-11-19 14:30:25,753 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:25,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:30:25,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/d7cad0e3b/39643086c53a4a50b7be772e53d601a9/FLAG046f97717 [2021-11-19 14:30:25,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/d7cad0e3b/39643086c53a4a50b7be772e53d601a9 [2021-11-19 14:30:25,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:25,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:25,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:25,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:25,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:25,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:25" (1/1) ... [2021-11-19 14:30:25,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6976812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:25, skipping insertion in model container [2021-11-19 14:30:25,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:25" (1/1) ... [2021-11-19 14:30:26,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:26,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:27,646 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,665 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,688 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,705 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,711 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,723 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,735 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,755 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,767 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,768 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,783 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,793 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,817 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:27,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,034 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,493 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,519 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,524 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,656 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,657 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,658 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,674 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,683 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,792 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,793 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,815 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:29,816 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,012 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,128 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,134 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,137 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,181 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,199 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,211 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,212 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,241 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,250 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,276 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,277 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,292 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,292 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,300 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,301 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,316 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,316 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,330 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,331 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,340 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,340 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,914 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,926 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,935 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,935 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,943 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,944 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:30,964 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:31,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:31,024 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:31,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-11-19 14:30:31,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-11-19 14:30:32,019 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:32,106 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:30:32,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3eebf449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:32, skipping insertion in model container [2021-11-19 14:30:32,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:32,107 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:30:32,109 INFO L158 Benchmark]: Toolchain (without parser) took 6123.76ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 74.6MB in the beginning and 131.3MB in the end (delta: -56.7MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-11-19 14:30:32,110 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:32,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6119.14ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 74.2MB in the beginning and 131.3MB in the end (delta: -57.2MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-11-19 14:30:32,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6119.14ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 74.2MB in the beginning and 131.3MB in the end (delta: -57.2MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6350]: 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_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:34,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:34,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:34,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:34,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:34,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:34,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:34,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:34,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:34,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:34,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:34,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:34,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:34,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:34,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:34,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:34,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:34,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:34,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:34,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:34,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:34,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:34,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:34,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:34,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:34,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:34,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:34,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:34,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:34,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:34,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:34,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:34,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:34,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:34,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:34,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:34,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:34,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:34,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:34,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:34,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:34,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:30:34,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:34,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:34,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:34,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:34,451 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:34,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:34,451 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:34,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:34,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:34,452 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:34,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:34,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:34,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:34,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:34,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:34,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:34,454 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:30:34,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:30:34,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:34,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:34,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:34,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:34,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:30:34,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:34,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:34,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:34,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:34,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:34,456 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:30:34,456 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:30:34,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:34,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:34,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:34,457 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_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2021-11-19 14:30:34,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:34,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:34,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:34,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:34,811 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:34,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:30:34,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/87168aff9/59dbbf4a57b0496f87d381ca0fbd56ef/FLAG8dfc147d0 [2021-11-19 14:30:36,020 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:36,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:30:36,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/87168aff9/59dbbf4a57b0496f87d381ca0fbd56ef/FLAG8dfc147d0 [2021-11-19 14:30:36,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/data/87168aff9/59dbbf4a57b0496f87d381ca0fbd56ef [2021-11-19 14:30:36,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:36,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:36,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:36,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:36,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:36,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:36" (1/1) ... [2021-11-19 14:30:36,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3bee55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:36, skipping insertion in model container [2021-11-19 14:30:36,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:36" (1/1) ... [2021-11-19 14:30:36,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:36,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:42,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-11-19 14:30:42,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-11-19 14:30:42,249 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:42,381 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:30:42,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:43,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-11-19 14:30:43,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-11-19 14:30:43,020 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:43,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:30:43,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-11-19 14:30:43,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-11-19 14:30:43,672 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:44,360 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:30:44,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44 WrapperNode [2021-11-19 14:30:44,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:44,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:44,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:30:44,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:30:44,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:44,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:44,940 INFO L137 Inliner]: procedures = 711, calls = 5980, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 10750 [2021-11-19 14:30:44,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:44,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:30:44,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:30:44,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:30:44,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:44,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:30:45,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:30:45,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:30:45,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:30:45,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:45,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:30:45,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:30:45,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:30:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:30:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:30:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-11-19 14:30:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-11-19 14:30:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:30:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:30:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:30:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:30:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-11-19 14:30:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-11-19 14:30:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:30:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:30:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:30:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:30:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-11-19 14:30:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-11-19 14:30:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-11-19 14:30:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-11-19 14:30:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 14:30:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 14:30:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-11-19 14:30:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-11-19 14:30:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-11-19 14:30:45,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-11-19 14:30:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-11-19 14:30:45,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-11-19 14:30:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:30:45,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:30:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:30:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:30:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:30:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:30:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-11-19 14:30:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-11-19 14:30:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-11-19 14:30:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-11-19 14:30:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-11-19 14:30:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-11-19 14:30:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-11-19 14:30:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-11-19 14:30:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:30:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:30:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-19 14:30:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-19 14:30:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:30:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:30:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:30:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:30:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:30:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:30:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-19 14:30:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-19 14:30:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-11-19 14:30:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-11-19 14:30:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:30:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:30:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:30:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:30:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-11-19 14:30:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-11-19 14:30:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:30:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:30:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:30:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:30:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:30:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:30:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:30:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:30:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:30:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:30:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:30:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:30:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:30:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-11-19 14:30:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-11-19 14:30:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:30:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:30:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:30:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:30:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:30:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:30:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-11-19 14:30:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-11-19 14:30:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:30:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:30:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-11-19 14:30:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-11-19 14:30:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-19 14:30:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-19 14:30:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:30:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:30:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:30:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:30:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:30:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:30:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:30:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:30:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-11-19 14:30:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-11-19 14:30:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-11-19 14:30:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-11-19 14:30:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-11-19 14:30:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-11-19 14:30:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:30:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:30:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:30:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:30:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:30:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:30:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:30:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:30:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-11-19 14:30:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-11-19 14:30:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:30:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:30:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 14:30:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 14:30:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:30:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:30:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:30:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:30:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:30:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:30:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-19 14:30:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-19 14:30:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-11-19 14:30:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-11-19 14:30:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-11-19 14:30:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-11-19 14:30:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 14:30:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 14:30:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:30:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:30:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:30:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:30:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-11-19 14:30:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-11-19 14:30:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:30:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:30:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:30:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:30:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:30:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:30:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:30:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-19 14:30:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-19 14:30:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 14:30:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 14:30:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:30:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:30:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:30:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:30:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:30:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:30:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:30:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:30:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:30:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:30:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:30:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:30:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:30:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:30:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:30:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:30:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:30:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 14:30:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 14:30:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:30:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:30:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:30:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:30:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:30:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:30:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-19 14:30:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-19 14:30:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:30:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:30:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-11-19 14:30:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-11-19 14:30:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:30:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:30:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-11-19 14:30:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-11-19 14:30:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:30:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:30:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-11-19 14:30:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-11-19 14:30:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:30:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:30:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:30:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:30:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:30:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-11-19 14:30:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-11-19 14:30:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-11-19 14:30:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-11-19 14:30:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 14:30:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 14:30:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:30:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-11-19 14:30:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-11-19 14:30:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:30:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:30:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:30:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-11-19 14:30:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-11-19 14:30:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:30:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:30:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:30:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:30:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:30:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:30:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-19 14:30:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-19 14:30:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-11-19 14:30:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-11-19 14:30:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:30:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:30:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:30:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:30:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-11-19 14:30:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-11-19 14:30:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-11-19 14:30:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-11-19 14:30:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-11-19 14:30:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-11-19 14:30:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 14:30:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 14:30:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-19 14:30:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-19 14:30:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-11-19 14:30:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-11-19 14:30:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:30:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:30:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2021-11-19 14:30:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2021-11-19 14:30:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:30:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:30:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:30:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:30:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-11-19 14:30:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-11-19 14:30:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-11-19 14:30:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-11-19 14:30:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-11-19 14:30:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-11-19 14:30:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 14:30:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 14:30:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-19 14:30:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-19 14:30:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-11-19 14:30:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-11-19 14:30:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-11-19 14:30:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-11-19 14:30:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:30:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-19 14:30:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-19 14:30:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:30:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:30:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:30:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:30:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:30:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-11-19 14:30:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-11-19 14:30:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-19 14:30:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-11-19 14:30:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:30:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-11-19 14:30:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-11-19 14:30:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:30:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:30:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:30:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:30:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-11-19 14:30:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-11-19 14:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:30:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:30:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-11-19 14:30:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-11-19 14:30:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:30:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:30:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-11-19 14:30:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-11-19 14:30:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-11-19 14:30:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-11-19 14:30:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-11-19 14:30:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-11-19 14:30:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:30:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:30:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:30:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:30:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-11-19 14:30:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-11-19 14:30:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-11-19 14:30:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-11-19 14:30:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:30:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:30:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-11-19 14:30:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-11-19 14:30:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-19 14:30:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-19 14:30:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:30:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:30:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:30:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:30:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-11-19 14:30:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-11-19 14:30:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:30:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:30:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:30:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:30:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:30:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:30:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-11-19 14:30:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-11-19 14:30:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-11-19 14:30:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-11-19 14:30:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-11-19 14:30:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-11-19 14:30:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-11-19 14:30:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-11-19 14:30:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:30:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-11-19 14:30:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-11-19 14:30:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:30:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:30:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:30:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:30:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:30:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-11-19 14:30:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-11-19 14:30:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-11-19 14:30:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-11-19 14:30:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-19 14:30:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-19 14:30:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-11-19 14:30:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-11-19 14:30:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2021-11-19 14:30:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2021-11-19 14:30:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-11-19 14:30:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-11-19 14:30:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-11-19 14:30:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-11-19 14:30:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:30:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:30:47,087 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:30:47,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:30:48,610 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:33:24,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:33:27,643 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:33:27,671 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:33:27,671 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:33:27,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:27 BoogieIcfgContainer [2021-11-19 14:33:27,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:33:27,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:33:27,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:33:27,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:33:27,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:30:36" (1/3) ... [2021-11-19 14:33:27,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c924031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:33:27, skipping insertion in model container [2021-11-19 14:33:27,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (2/3) ... [2021-11-19 14:33:27,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c924031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:33:27, skipping insertion in model container [2021-11-19 14:33:27,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:27" (3/3) ... [2021-11-19 14:33:27,688 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:33:27,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:33:27,699 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:33:27,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:33:27,770 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:33:27,770 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:33:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2021-11-19 14:33:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-19 14:33:27,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:27,931 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:27,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:27,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:27,943 INFO L85 PathProgramCache]: Analyzing trace with hash 716492135, now seen corresponding path program 1 times [2021-11-19 14:33:27,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:27,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424470439] [2021-11-19 14:33:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:27,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:27,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:27,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:33:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 4619 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:33:32,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:33:34,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:33:35,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:35,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424470439] [2021-11-19 14:33:35,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424470439] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:35,219 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:35,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:33:35,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221333122] [2021-11-19 14:33:35,224 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:35,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:33:35,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:35,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:33:35,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:33:35,289 INFO L87 Difference]: Start difference. First operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:33:37,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:55,628 INFO L93 Difference]: Finished difference Result 12271 states and 17410 transitions. [2021-11-19 14:33:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 278 [2021-11-19 14:33:55,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:55,729 INFO L225 Difference]: With dead ends: 12271 [2021-11-19 14:33:55,729 INFO L226 Difference]: Without dead ends: 8805 [2021-11-19 14:33:55,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:33:55,779 INFO L933 BasicCegarLoop]: 6110 mSDtfsCounter, 8402 mSDsluCounter, 7594 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8402 SdHoareTripleChecker+Valid, 13704 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:55,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8402 Valid, 13704 Invalid, 1844 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 1797 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2021-11-19 14:33:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8805 states. [2021-11-19 14:33:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8805 to 8795. [2021-11-19 14:33:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8795 states, 6111 states have (on average 1.2624774995909016) internal successors, (7715), 6221 states have internal predecessors, (7715), 2195 states have call successors, (2195), 487 states have call predecessors, (2195), 487 states have return successors, (2195), 2149 states have call predecessors, (2195), 2195 states have call successors, (2195) [2021-11-19 14:33:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8795 states to 8795 states and 12105 transitions. [2021-11-19 14:33:56,524 INFO L78 Accepts]: Start accepts. Automaton has 8795 states and 12105 transitions. Word has length 278 [2021-11-19 14:33:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:56,531 INFO L470 AbstractCegarLoop]: Abstraction has 8795 states and 12105 transitions. [2021-11-19 14:33:56,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:33:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8795 states and 12105 transitions. [2021-11-19 14:33:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-19 14:33:56,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:56,545 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:56,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:56,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:56,765 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:56,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:56,765 INFO L85 PathProgramCache]: Analyzing trace with hash -108087190, now seen corresponding path program 1 times [2021-11-19 14:33:56,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:56,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177987600] [2021-11-19 14:33:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:56,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:56,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:56,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:56,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:34:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:01,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 4620 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:34:01,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:02,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:34:02,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:34:03,536 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:03,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177987600] [2021-11-19 14:34:03,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177987600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:03,537 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:03,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:34:03,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891613836] [2021-11-19 14:34:03,538 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:03,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:34:03,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:03,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:34:03,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:34:03,541 INFO L87 Difference]: Start difference. First operand 8795 states and 12105 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:34:05,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:25,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:25,814 INFO L93 Difference]: Finished difference Result 33923 states and 46656 transitions. [2021-11-19 14:34:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:34:25,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 279 [2021-11-19 14:34:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:26,040 INFO L225 Difference]: With dead ends: 33923 [2021-11-19 14:34:26,040 INFO L226 Difference]: Without dead ends: 25175 [2021-11-19 14:34:26,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:34:26,099 INFO L933 BasicCegarLoop]: 7163 mSDtfsCounter, 10857 mSDsluCounter, 7098 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 1381 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10857 SdHoareTripleChecker+Valid, 14261 SdHoareTripleChecker+Invalid, 3211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1381 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:26,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10857 Valid, 14261 Invalid, 3211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1381 Valid, 1829 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2021-11-19 14:34:26,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25175 states. [2021-11-19 14:34:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25175 to 25155. [2021-11-19 14:34:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25155 states, 17383 states have (on average 1.2588736121498014) internal successors, (21883), 17723 states have internal predecessors, (21883), 6315 states have call successors, (6315), 1455 states have call predecessors, (6315), 1455 states have return successors, (6315), 6165 states have call predecessors, (6315), 6315 states have call successors, (6315) [2021-11-19 14:34:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25155 states to 25155 states and 34513 transitions. [2021-11-19 14:34:27,706 INFO L78 Accepts]: Start accepts. Automaton has 25155 states and 34513 transitions. Word has length 279 [2021-11-19 14:34:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:27,708 INFO L470 AbstractCegarLoop]: Abstraction has 25155 states and 34513 transitions. [2021-11-19 14:34:27,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:34:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 25155 states and 34513 transitions. [2021-11-19 14:34:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-19 14:34:27,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:27,728 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:27,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:27,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:27,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:27,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:27,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2108233310, now seen corresponding path program 1 times [2021-11-19 14:34:27,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:27,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587555624] [2021-11-19 14:34:27,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:27,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:27,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:27,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:34:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:32,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 4674 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:34:32,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2021-11-19 14:34:33,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2021-11-19 14:34:34,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:34,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587555624] [2021-11-19 14:34:34,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587555624] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:34,386 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:34,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:34:34,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580111510] [2021-11-19 14:34:34,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:34,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:34:34,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:34,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:34:34,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:34,391 INFO L87 Difference]: Start difference. First operand 25155 states and 34513 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 14:34:36,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:38,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:38,526 INFO L93 Difference]: Finished difference Result 74484 states and 102162 transitions. [2021-11-19 14:34:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:34:38,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 306 [2021-11-19 14:34:38,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:39,107 INFO L225 Difference]: With dead ends: 74484 [2021-11-19 14:34:39,108 INFO L226 Difference]: Without dead ends: 49376 [2021-11-19 14:34:39,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:39,388 INFO L933 BasicCegarLoop]: 6503 mSDtfsCounter, 4427 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4427 SdHoareTripleChecker+Valid, 11076 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:39,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4427 Valid, 11076 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 14:34:39,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49376 states. [2021-11-19 14:34:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49376 to 49354. [2021-11-19 14:34:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49354 states, 34156 states have (on average 1.2570851387750321) internal successors, (42937), 34826 states have internal predecessors, (42937), 12335 states have call successors, (12335), 2861 states have call predecessors, (12335), 2861 states have return successors, (12335), 12040 states have call predecessors, (12335), 12335 states have call successors, (12335) [2021-11-19 14:34:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49354 states to 49354 states and 67607 transitions. [2021-11-19 14:34:43,166 INFO L78 Accepts]: Start accepts. Automaton has 49354 states and 67607 transitions. Word has length 306 [2021-11-19 14:34:43,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:43,167 INFO L470 AbstractCegarLoop]: Abstraction has 49354 states and 67607 transitions. [2021-11-19 14:34:43,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 14:34:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49354 states and 67607 transitions. [2021-11-19 14:34:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-19 14:34:43,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:43,184 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:43,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:43,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:43,400 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash 943090623, now seen corresponding path program 1 times [2021-11-19 14:34:43,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:43,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679897612] [2021-11-19 14:34:43,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:43,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:43,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:43,660 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:43,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:34:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:48,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:34:48,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:34:49,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:34:50,349 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:50,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679897612] [2021-11-19 14:34:50,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679897612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:50,350 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:50,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:34:50,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779865944] [2021-11-19 14:34:50,350 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:50,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:34:50,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:50,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:34:50,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:50,352 INFO L87 Difference]: Start difference. First operand 49354 states and 67607 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-19 14:34:52,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:55,898 INFO L93 Difference]: Finished difference Result 134852 states and 184629 transitions. [2021-11-19 14:34:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:34:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 305 [2021-11-19 14:34:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:56,772 INFO L225 Difference]: With dead ends: 134852 [2021-11-19 14:34:56,773 INFO L226 Difference]: Without dead ends: 85545 [2021-11-19 14:34:57,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:57,132 INFO L933 BasicCegarLoop]: 5340 mSDtfsCounter, 3635 mSDsluCounter, 4511 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3635 SdHoareTripleChecker+Valid, 9851 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:57,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3635 Valid, 9851 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:34:57,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85545 states. [2021-11-19 14:35:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85545 to 85518. [2021-11-19 14:35:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85518 states, 58774 states have (on average 1.2494130057508421) internal successors, (73433), 59935 states have internal predecessors, (73433), 21530 states have call successors, (21530), 5263 states have call predecessors, (21530), 5212 states have return successors, (22012), 20913 states have call predecessors, (22012), 21530 states have call successors, (22012) [2021-11-19 14:35:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85518 states to 85518 states and 116975 transitions. [2021-11-19 14:35:01,585 INFO L78 Accepts]: Start accepts. Automaton has 85518 states and 116975 transitions. Word has length 305 [2021-11-19 14:35:01,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:35:01,586 INFO L470 AbstractCegarLoop]: Abstraction has 85518 states and 116975 transitions. [2021-11-19 14:35:01,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-19 14:35:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 85518 states and 116975 transitions. [2021-11-19 14:35:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-19 14:35:01,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:35:01,613 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:35:01,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:35:01,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:35:01,836 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:35:01,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:35:01,836 INFO L85 PathProgramCache]: Analyzing trace with hash 942591059, now seen corresponding path program 1 times [2021-11-19 14:35:01,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:35:01,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667759757] [2021-11-19 14:35:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:35:01,841 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:35:01,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:35:01,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:35:01,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:35:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:35:06,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 4704 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:35:06,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:35:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2021-11-19 14:35:07,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:35:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2021-11-19 14:35:08,834 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:35:08,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667759757] [2021-11-19 14:35:08,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667759757] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:35:08,834 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:35:08,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:35:08,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681682836] [2021-11-19 14:35:08,835 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:35:08,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:35:08,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:35:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:35:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:35:08,836 INFO L87 Difference]: Start difference. First operand 85518 states and 116975 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 14:35:11,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:35:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:35:31,724 INFO L93 Difference]: Finished difference Result 255843 states and 349589 transitions. [2021-11-19 14:35:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:35:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 328 [2021-11-19 14:35:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:35:32,883 INFO L225 Difference]: With dead ends: 255843 [2021-11-19 14:35:32,883 INFO L226 Difference]: Without dead ends: 170372 [2021-11-19 14:35:33,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:35:33,154 INFO L933 BasicCegarLoop]: 5569 mSDtfsCounter, 6097 mSDsluCounter, 7361 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 329 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 12930 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:35:33,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6097 Valid, 12930 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 1707 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2021-11-19 14:35:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170372 states. [2021-11-19 14:35:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170372 to 170368. [2021-11-19 14:35:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170368 states, 117078 states have (on average 1.2488426519072755) internal successors, (146212), 119344 states have internal predecessors, (146212), 42731 states have call successors, (42731), 10659 states have call predecessors, (42731), 10557 states have return successors, (43695), 41556 states have call predecessors, (43695), 42731 states have call successors, (43695) [2021-11-19 14:35:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170368 states to 170368 states and 232638 transitions. [2021-11-19 14:35:42,283 INFO L78 Accepts]: Start accepts. Automaton has 170368 states and 232638 transitions. Word has length 328 [2021-11-19 14:35:42,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:35:42,284 INFO L470 AbstractCegarLoop]: Abstraction has 170368 states and 232638 transitions. [2021-11-19 14:35:42,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 14:35:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 170368 states and 232638 transitions. [2021-11-19 14:35:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-19 14:35:42,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:35:42,298 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:35:42,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:35:42,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:35:42,524 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:35:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:35:42,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1165349432, now seen corresponding path program 1 times [2021-11-19 14:35:42,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:35:42,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811600612] [2021-11-19 14:35:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:35:42,529 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:35:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:35:42,530 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:35:42,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bf76c-be8e-43e2-b442-49fd960cc192/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:35:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:35:47,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 4765 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:35:47,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:35:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2021-11-19 14:35:49,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:35:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-11-19 14:35:50,621 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:35:50,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811600612] [2021-11-19 14:35:50,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811600612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:35:50,621 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:35:50,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:35:50,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560730725] [2021-11-19 14:35:50,622 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:35:50,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:35:50,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:35:50,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:35:50,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:35:50,624 INFO L87 Difference]: Start difference. First operand 170368 states and 232638 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2021-11-19 14:35:53,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:36:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:23,551 INFO L93 Difference]: Finished difference Result 493366 states and 672894 transitions. [2021-11-19 14:36:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:36:23,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 347 [2021-11-19 14:36:23,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:25,978 INFO L225 Difference]: With dead ends: 493366 [2021-11-19 14:36:25,978 INFO L226 Difference]: Without dead ends: 323736 [2021-11-19 14:36:26,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:36:26,602 INFO L933 BasicCegarLoop]: 7699 mSDtfsCounter, 9373 mSDsluCounter, 6603 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 1075 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9373 SdHoareTripleChecker+Valid, 14302 SdHoareTripleChecker+Invalid, 2867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:26,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9373 Valid, 14302 Invalid, 2867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1791 Invalid, 1 Unknown, 0 Unchecked, 20.4s Time] [2021-11-19 14:36:27,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323736 states.