./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/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_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/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_b3deff51-5be1-442e-aef7-642ff5203b9e/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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:45:46,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:45:46,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:45:46,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:45:46,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:45:46,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:45:46,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:45:46,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:45:46,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:45:46,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:45:46,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:45:46,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:45:46,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:45:46,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:45:46,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:45:46,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:45:46,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:45:46,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:45:46,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:45:46,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:45:46,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:45:46,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:45:46,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:45:46,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:45:46,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:45:46,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:45:46,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:45:46,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:45:46,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:45:46,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:45:46,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:45:46,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:45:46,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:45:46,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:45:46,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:45:46,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:45:46,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:45:46,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:45:46,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:45:46,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:45:46,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:45:46,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:45:46,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:45:46,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:45:46,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:45:46,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:45:46,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:45:46,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:45:46,211 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:45:46,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:45:46,211 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:45:46,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:45:46,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:45:46,212 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:45:46,213 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:45:46,213 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:45:46,213 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:45:46,213 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:45:46,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:45:46,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:45:46,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:45:46,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:45:46,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:45:46,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:45:46,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:45:46,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:45:46,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:45:46,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:45:46,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:45:46,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:45:46,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:45:46,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:45:46,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:45:46,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:45:46,218 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:45:46,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:45:46,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:45:46,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:45:46,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:45:46,219 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_b3deff51-5be1-442e-aef7-642ff5203b9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-11-19 14:45:46,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:45:46,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:45:46,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:45:46,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:45:46,486 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:45:46,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 14:45:46,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/5c53cec13/9ce510d4253b4525a24c495de49e2c63/FLAG3dc4ce411 [2021-11-19 14:45:47,623 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:45:47,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 14:45:47,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/5c53cec13/9ce510d4253b4525a24c495de49e2c63/FLAG3dc4ce411 [2021-11-19 14:45:48,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/5c53cec13/9ce510d4253b4525a24c495de49e2c63 [2021-11-19 14:45:48,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:45:48,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:45:48,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:45:48,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:45:48,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:45:48,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:48" (1/1) ... [2021-11-19 14:45:48,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0360c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:48, skipping insertion in model container [2021-11-19 14:45:48,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:48" (1/1) ... [2021-11-19 14:45:48,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:45:48,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:45:50,598 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 14:45:50,606 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 14:45:50,629 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 14:45:50,653 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 14:45:50,725 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 14:45:50,727 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 14:45:50,729 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 14:45:50,731 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 14:45:50,835 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 14:45:50,934 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 14:45:50,946 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 14:45:50,948 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 14:45:50,951 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 14:45:50,964 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 14:45:50,981 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 14:45:50,998 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 14:45:51,001 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 14:45:51,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:45:51,016 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 14:45:51,019 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 14:45:51,024 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 14:45:51,033 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 14:45:51,034 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 14:45:51,041 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 14:45:51,044 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:45:51,120 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 14:45:51,121 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 14:45:51,129 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 14:45:51,137 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 14:45:51,140 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 14:45:51,141 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 14:45:51,142 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 14:45:51,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:45:51,161 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 14:45:51,162 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 14:45:51,163 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 14:45:51,165 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 14:45:52,728 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-19 14:45:52,731 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-19 14:45:52,731 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-19 14:45:52,732 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-19 14:45:52,760 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:45:52,838 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 14:45:52,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b4d9f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52, skipping insertion in model container [2021-11-19 14:45:52,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:45:52,840 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:45:52,842 INFO L158 Benchmark]: Toolchain (without parser) took 4815.80ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 62.6MB in the beginning and 80.8MB in the end (delta: -18.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2021-11-19 14:45:52,844 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:45:52,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4810.87ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 62.6MB in the beginning and 80.9MB in the end (delta: -18.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2021-11-19 14:45:52,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4810.87ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 62.6MB in the beginning and 80.9MB in the end (delta: -18.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6103]: 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_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/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_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/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_b3deff51-5be1-442e-aef7-642ff5203b9e/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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:45:55,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:45:55,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:45:55,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:45:55,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:45:55,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:45:55,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:45:55,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:45:55,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:45:55,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:45:55,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:45:55,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:45:55,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:45:55,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:45:55,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:45:55,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:45:55,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:45:55,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:45:55,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:45:55,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:45:55,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:45:55,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:45:55,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:45:55,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:45:55,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:45:55,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:45:55,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:45:55,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:45:55,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:45:55,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:45:55,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:45:55,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:45:55,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:45:55,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:45:55,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:45:55,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:45:55,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:45:55,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:45:55,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:45:55,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:45:55,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:45:55,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:45:55,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:45:55,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:45:55,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:45:55,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:45:55,245 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:45:55,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:45:55,246 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:45:55,246 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:45:55,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:45:55,246 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:45:55,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:45:55,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:45:55,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:45:55,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:45:55,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:45:55,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:45:55,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:45:55,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:45:55,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:45:55,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:45:55,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:45:55,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:45:55,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:45:55,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:45:55,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:45:55,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:45:55,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:45:55,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:45:55,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:45:55,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:45:55,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:45:55,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:45:55,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:45:55,259 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_b3deff51-5be1-442e-aef7-642ff5203b9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-11-19 14:45:55,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:45:55,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:45:55,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:45:55,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:45:55,682 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:45:55,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 14:45:55,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/1116ae1a6/4a2389fc15e143e0bf9f85d2cde05e6e/FLAG9756a13aa [2021-11-19 14:45:56,883 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:45:56,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 14:45:56,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/1116ae1a6/4a2389fc15e143e0bf9f85d2cde05e6e/FLAG9756a13aa [2021-11-19 14:45:57,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/data/1116ae1a6/4a2389fc15e143e0bf9f85d2cde05e6e [2021-11-19 14:45:57,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:45:57,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:45:57,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:45:57,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:45:57,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:45:57,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:57" (1/1) ... [2021-11-19 14:45:57,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb17b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57, skipping insertion in model container [2021-11-19 14:45:57,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:57" (1/1) ... [2021-11-19 14:45:57,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:45:57,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:01,900 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-19 14:46:01,903 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-19 14:46:01,904 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-19 14:46:01,904 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-19 14:46:01,952 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:02,041 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:46:02,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:02,717 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-19 14:46:02,718 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-19 14:46:02,719 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-19 14:46:02,719 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-19 14:46:02,728 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:02,809 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:46:03,359 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-19 14:46:03,359 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-19 14:46:03,360 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-19 14:46:03,360 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_b3deff51-5be1-442e-aef7-642ff5203b9e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-19 14:46:03,370 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:03,729 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:46:03,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03 WrapperNode [2021-11-19 14:46:03,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:03,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:46:03,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:46:03,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:46:03,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:03,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,216 INFO L137 Inliner]: procedures = 580, calls = 4373, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 8719 [2021-11-19 14:46:04,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:46:04,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:46:04,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:46:04,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:46:04,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:46:04,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:46:04,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:46:04,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:46:04,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (1/1) ... [2021-11-19 14:46:04,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:04,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:46:04,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:46:04,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:46:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:46:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:46:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:46:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:46:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:46:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:46:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-19 14:46:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-19 14:46:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-19 14:46:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-19 14:46:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:46:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:46:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-11-19 14:46:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-11-19 14:46:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:46:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:46:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:46:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:46:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-19 14:46:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-19 14:46:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2021-11-19 14:46:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2021-11-19 14:46:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-19 14:46:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-19 14:46:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:46:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:46:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-19 14:46:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-19 14:46:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-19 14:46:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-19 14:46:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:46:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:46:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-19 14:46:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-19 14:46:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-19 14:46:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-19 14:46:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-19 14:46:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-19 14:46:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:46:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:46:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-19 14:46:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-19 14:46:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:46:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:46:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:46:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:46:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-19 14:46:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-19 14:46:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:46:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:46:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-19 14:46:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-19 14:46:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-19 14:46:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-19 14:46:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:46:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:46:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:46:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:46:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:46:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:46:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:46:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:46:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:46:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:46:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 14:46:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 14:46:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:46:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:46:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:46:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:46:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-19 14:46:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-19 14:46:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:46:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:46:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:46:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:46:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:46:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:46:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:46:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:46:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-19 14:46:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-19 14:46:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 14:46:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 14:46:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:46:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:46:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:46:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:46:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-19 14:46:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-19 14:46:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 14:46:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 14:46:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-19 14:46:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-19 14:46:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:46:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:46:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:46:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:46:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:46:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:46:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:46:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:46:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-19 14:46:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-19 14:46:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-19 14:46:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-19 14:46:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:46:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:46:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:46:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:46:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:46:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:46:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:46:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:46:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-19 14:46:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-19 14:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 14:46:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 14:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-19 14:46:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-19 14:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-19 14:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-19 14:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-19 14:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-19 14:46:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:46:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:46:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:46:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:46:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:46:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-19 14:46:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-19 14:46:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:46:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 14:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:46:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-19 14:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:46:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:46:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-19 14:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-19 14:46:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 14:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 14:46:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-19 14:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-19 14:46:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:46:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-19 14:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-19 14:46:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-19 14:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-19 14:46:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-19 14:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-19 14:46:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 14:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 14:46:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:46:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-19 14:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-19 14:46:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:46:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:46:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-19 14:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-19 14:46:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:46:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-19 14:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-19 14:46:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-19 14:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-19 14:46:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 14:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 14:46:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-19 14:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-19 14:46:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:46:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-19 14:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-19 14:46:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-19 14:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-19 14:46:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-19 14:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-19 14:46:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-19 14:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-19 14:46:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-19 14:46:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:46:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:46:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:46:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:46:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-19 14:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-19 14:46:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:46:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:46:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:46:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:46:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:46:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:46:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:46:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 14:46:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 14:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-19 14:46:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-19 14:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:46:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-19 14:46:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-19 14:46:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-19 14:46:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-19 14:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2021-11-19 14:46:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2021-11-19 14:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:46:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:46:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:46:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:46:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:46:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2021-11-19 14:46:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2021-11-19 14:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 14:46:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 14:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-19 14:46:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-19 14:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2021-11-19 14:46:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2021-11-19 14:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-19 14:46:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-19 14:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-19 14:46:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-19 14:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-19 14:46:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-19 14:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:46:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-19 14:46:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-19 14:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:46:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:46:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 14:46:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 14:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:46:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:46:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-19 14:46:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-19 14:46:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 14:46:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 14:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-19 14:46:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-19 14:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:46:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-19 14:46:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-19 14:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-19 14:46:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-19 14:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2021-11-19 14:46:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2021-11-19 14:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2021-11-19 14:46:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2021-11-19 14:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-19 14:46:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-19 14:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2021-11-19 14:46:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2021-11-19 14:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:46:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-19 14:46:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-19 14:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-19 14:46:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-19 14:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:46:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:46:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 14:46:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 14:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:46:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-19 14:46:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-19 14:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:46:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:46:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 14:46:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 14:46:05,860 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:46:05,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:46:14,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:47:20,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:47:20,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:47:20,825 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:47:20,825 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:47:20,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:20 BoogieIcfgContainer [2021-11-19 14:47:20,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:47:20,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:47:20,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:47:20,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:47:20,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:45:57" (1/3) ... [2021-11-19 14:47:20,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0513ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:47:20, skipping insertion in model container [2021-11-19 14:47:20,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:03" (2/3) ... [2021-11-19 14:47:20,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0513ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:47:20, skipping insertion in model container [2021-11-19 14:47:20,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:20" (3/3) ... [2021-11-19 14:47:20,841 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 14:47:20,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:47:20,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:47:20,927 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:47:20,933 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 14:47:20,934 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:47:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2021-11-19 14:47:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-19 14:47:21,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:21,054 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:21,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:47:21,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:21,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1209496031, now seen corresponding path program 1 times [2021-11-19 14:47:21,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:21,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640458229] [2021-11-19 14:47:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:21,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:21,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:21,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:21,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:47:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:26,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 4597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:26,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:47:26,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:47:27,601 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:27,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640458229] [2021-11-19 14:47:27,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640458229] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:27,602 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:27,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:47:27,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366078516] [2021-11-19 14:47:27,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:27,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:47:27,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:27,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:47:27,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:27,673 INFO L87 Difference]: Start difference. First operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:47:30,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:47:39,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:47:39,557 INFO L93 Difference]: Finished difference Result 12074 states and 18121 transitions. [2021-11-19 14:47:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:47:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 215 [2021-11-19 14:47:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:47:39,662 INFO L225 Difference]: With dead ends: 12074 [2021-11-19 14:47:39,662 INFO L226 Difference]: Without dead ends: 8985 [2021-11-19 14:47:39,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:39,709 INFO L933 BasicCegarLoop]: 5946 mSDtfsCounter, 8649 mSDsluCounter, 11267 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8649 SdHoareTripleChecker+Valid, 17213 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:47:39,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8649 Valid, 17213 Invalid, 1641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 1620 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2021-11-19 14:47:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8985 states. [2021-11-19 14:47:40,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8985 to 8957. [2021-11-19 14:47:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 6252 states have (on average 1.3371721049264236) internal successors, (8360), 6461 states have internal predecessors, (8360), 2257 states have call successors, (2257), 446 states have call predecessors, (2257), 445 states have return successors, (2253), 2208 states have call predecessors, (2253), 2253 states have call successors, (2253) [2021-11-19 14:47:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12870 transitions. [2021-11-19 14:47:40,515 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12870 transitions. Word has length 215 [2021-11-19 14:47:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:47:40,517 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12870 transitions. [2021-11-19 14:47:40,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:47:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12870 transitions. [2021-11-19 14:47:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-19 14:47:40,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:40,525 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:40,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:47:40,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:47:40,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:47:40,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash -805702579, now seen corresponding path program 1 times [2021-11-19 14:47:40,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:40,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807221323] [2021-11-19 14:47:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:40,745 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:40,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:40,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:47:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:46,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 4645 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:46,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:47:46,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:47:47,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:47,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807221323] [2021-11-19 14:47:47,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807221323] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:47,373 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:47,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:47:47,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420667519] [2021-11-19 14:47:47,374 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:47,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:47:47,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:47,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:47:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:47,379 INFO L87 Difference]: Start difference. First operand 8957 states and 12870 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:47:49,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:47:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:47:58,697 INFO L93 Difference]: Finished difference Result 34715 states and 50103 transitions. [2021-11-19 14:47:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:47:58,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 224 [2021-11-19 14:47:58,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:47:58,915 INFO L225 Difference]: With dead ends: 34715 [2021-11-19 14:47:58,916 INFO L226 Difference]: Without dead ends: 25797 [2021-11-19 14:47:58,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:58,978 INFO L933 BasicCegarLoop]: 5995 mSDtfsCounter, 8418 mSDsluCounter, 10601 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8418 SdHoareTripleChecker+Valid, 16596 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:47:58,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8418 Valid, 16596 Invalid, 1500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1490 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2021-11-19 14:47:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25797 states. [2021-11-19 14:48:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25797 to 25731. [2021-11-19 14:48:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25731 states, 18004 states have (on average 1.3348144856698512) internal successors, (24032), 18597 states have internal predecessors, (24032), 6415 states have call successors, (6415), 1322 states have call predecessors, (6415), 1309 states have return successors, (6747), 6234 states have call predecessors, (6747), 6411 states have call successors, (6747) [2021-11-19 14:48:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25731 states to 25731 states and 37194 transitions. [2021-11-19 14:48:00,679 INFO L78 Accepts]: Start accepts. Automaton has 25731 states and 37194 transitions. Word has length 224 [2021-11-19 14:48:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:00,683 INFO L470 AbstractCegarLoop]: Abstraction has 25731 states and 37194 transitions. [2021-11-19 14:48:00,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:48:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 25731 states and 37194 transitions. [2021-11-19 14:48:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-19 14:48:00,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:00,694 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:00,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:00,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:00,908 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:48:00,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:00,909 INFO L85 PathProgramCache]: Analyzing trace with hash -192865860, now seen corresponding path program 1 times [2021-11-19 14:48:00,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:00,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331041541] [2021-11-19 14:48:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:00,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:00,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:00,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:00,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:48:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:06,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 4734 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:06,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:48:06,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:48:07,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:07,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331041541] [2021-11-19 14:48:07,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331041541] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:07,376 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:07,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:07,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378144728] [2021-11-19 14:48:07,377 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:07,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:07,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:07,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:07,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:07,379 INFO L87 Difference]: Start difference. First operand 25731 states and 37194 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:48:09,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:19,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:19,538 INFO L93 Difference]: Finished difference Result 86136 states and 123769 transitions. [2021-11-19 14:48:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:19,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 236 [2021-11-19 14:48:19,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:19,923 INFO L225 Difference]: With dead ends: 86136 [2021-11-19 14:48:19,923 INFO L226 Difference]: Without dead ends: 60444 [2021-11-19 14:48:20,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:20,066 INFO L933 BasicCegarLoop]: 6394 mSDtfsCounter, 8519 mSDsluCounter, 7835 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8519 SdHoareTripleChecker+Valid, 14229 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:20,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8519 Valid, 14229 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1631 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2021-11-19 14:48:20,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60444 states. [2021-11-19 14:48:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60444 to 60378. [2021-11-19 14:48:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60378 states, 41888 states have (on average 1.3231235676088617) internal successors, (55423), 43290 states have internal predecessors, (55423), 15109 states have call successors, (15109), 3407 states have call predecessors, (15109), 3378 states have return successors, (15863), 14658 states have call predecessors, (15863), 15105 states have call successors, (15863) [2021-11-19 14:48:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60378 states to 60378 states and 86395 transitions. [2021-11-19 14:48:25,403 INFO L78 Accepts]: Start accepts. Automaton has 60378 states and 86395 transitions. Word has length 236 [2021-11-19 14:48:25,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:25,404 INFO L470 AbstractCegarLoop]: Abstraction has 60378 states and 86395 transitions. [2021-11-19 14:48:25,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:48:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 60378 states and 86395 transitions. [2021-11-19 14:48:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-19 14:48:25,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:25,414 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:25,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:25,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:25,638 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:48:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1367888915, now seen corresponding path program 1 times [2021-11-19 14:48:25,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:25,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395295497] [2021-11-19 14:48:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:25,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:25,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:25,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:25,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:48:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:31,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 4735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:31,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:48:31,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:48:32,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:32,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395295497] [2021-11-19 14:48:32,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395295497] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:32,606 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:32,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:32,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288281849] [2021-11-19 14:48:32,607 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:32,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:32,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:32,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:32,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:32,609 INFO L87 Difference]: Start difference. First operand 60378 states and 86395 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:48:35,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:51,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:51,512 INFO L93 Difference]: Finished difference Result 232119 states and 331888 transitions. [2021-11-19 14:48:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:51,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 237 [2021-11-19 14:48:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:53,100 INFO L225 Difference]: With dead ends: 232119 [2021-11-19 14:48:53,101 INFO L226 Difference]: Without dead ends: 171780 [2021-11-19 14:48:53,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:53,476 INFO L933 BasicCegarLoop]: 6822 mSDtfsCounter, 10493 mSDsluCounter, 6846 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1354 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10493 SdHoareTripleChecker+Valid, 13668 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1354 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:53,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10493 Valid, 13668 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1354 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2021-11-19 14:48:53,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171780 states. [2021-11-19 14:49:01,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171780 to 171642. [2021-11-19 14:49:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171642 states, 118396 states have (on average 1.322620696645157) internal successors, (156593), 122562 states have internal predecessors, (156593), 43303 states have call successors, (43303), 10025 states have call predecessors, (43303), 9940 states have return successors, (44865), 41958 states have call predecessors, (44865), 43299 states have call successors, (44865) [2021-11-19 14:49:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171642 states to 171642 states and 244761 transitions. [2021-11-19 14:49:03,677 INFO L78 Accepts]: Start accepts. Automaton has 171642 states and 244761 transitions. Word has length 237 [2021-11-19 14:49:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:03,678 INFO L470 AbstractCegarLoop]: Abstraction has 171642 states and 244761 transitions. [2021-11-19 14:49:03,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:49:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 171642 states and 244761 transitions. [2021-11-19 14:49:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-19 14:49:03,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:03,687 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-11-19 14:49:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:03,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:03,910 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:49:03,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1368713517, now seen corresponding path program 1 times [2021-11-19 14:49:03,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:03,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026492133] [2021-11-19 14:49:03,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:03,915 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:03,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:03,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:03,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3deff51-5be1-442e-aef7-642ff5203b9e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:49:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:09,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 4688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:09,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-19 14:49:10,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-19 14:49:10,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:10,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026492133] [2021-11-19 14:49:10,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026492133] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:10,624 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:10,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:49:10,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939743682] [2021-11-19 14:49:10,625 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:10,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:49:10,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:10,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:49:10,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:10,627 INFO L87 Difference]: Start difference. First operand 171642 states and 244761 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 14:49:13,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:24,465 INFO L93 Difference]: Finished difference Result 458113 states and 650629 transitions. [2021-11-19 14:49:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:49:24,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 238 [2021-11-19 14:49:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:26,723 INFO L225 Difference]: With dead ends: 458113 [2021-11-19 14:49:26,723 INFO L226 Difference]: Without dead ends: 286510