./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/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_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/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_db7273fd-be09-42fd-b224-03a9f549999c/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:26,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:26,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:27,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:27,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:27,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:27,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:27,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:27,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:27,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:27,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:27,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:27,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:27,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:27,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:27,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:27,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:27,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:27,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:27,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:27,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:27,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:27,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:27,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:27,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:27,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:27,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:27,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:27,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:27,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:27,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:27,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:27,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:27,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:27,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:27,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:27,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:27,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:27,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:27,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:27,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:27,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:22:27,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:27,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:27,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:27,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:27,273 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:27,274 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:27,274 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:27,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:22:27,282 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:27,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:27,285 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:22:27,285 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:22:27,285 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:27,286 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:22:27,286 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:22:27,286 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:22:27,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:27,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:22:27,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:27,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:27,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:27,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:27,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:27,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:27,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:27,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:27,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:27,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:27,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:27,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:27,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:27,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:27,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:22:27,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:22:27,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:27,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:27,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:27,297 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_db7273fd-be09-42fd-b224-03a9f549999c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2021-11-19 13:22:27,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:27,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:27,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:27,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:27,787 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:27,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-19 13:22:27,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/1f5f420a4/27304d7925e24caf92cbf7f97f90a0a1/FLAGe9194832b [2021-11-19 13:22:29,362 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:29,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-19 13:22:29,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/1f5f420a4/27304d7925e24caf92cbf7f97f90a0a1/FLAGe9194832b [2021-11-19 13:22:29,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/1f5f420a4/27304d7925e24caf92cbf7f97f90a0a1 [2021-11-19 13:22:29,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:29,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:29,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:29,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:29,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:29,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:29" (1/1) ... [2021-11-19 13:22:29,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45397c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:29, skipping insertion in model container [2021-11-19 13:22:29,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:29" (1/1) ... [2021-11-19 13:22:29,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:30,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:33,513 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 13:22:33,533 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 13:22:33,573 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 13:22:33,574 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 13:22:33,989 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 13:22:36,418 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-19 13:22:36,422 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-19 13:22:36,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-19 13:22:36,424 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-19 13:22:36,473 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:36,594 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 13:22:36,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dfc66f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:36, skipping insertion in model container [2021-11-19 13:22:36,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:36,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:22:36,600 INFO L158 Benchmark]: Toolchain (without parser) took 6666.26ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 82.3MB in the beginning and 138.2MB in the end (delta: -55.9MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2021-11-19 13:22:36,602 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:22:36,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6662.51ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 82.0MB in the beginning and 138.2MB in the end (delta: -56.2MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2021-11-19 13:22:36,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6662.51ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 82.0MB in the beginning and 138.2MB in the end (delta: -56.2MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6896]: 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_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/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_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/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_db7273fd-be09-42fd-b224-03a9f549999c/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:39,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:39,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:39,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:39,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:39,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:39,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:39,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:39,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:39,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:39,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:39,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:39,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:39,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:39,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:39,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:39,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:39,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:39,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:39,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:39,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:39,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:39,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:39,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:39,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:39,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:39,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:39,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:39,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:39,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:39,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:39,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:39,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:39,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:39,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:39,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:39,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:39,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:39,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:39,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:39,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:39,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:22:39,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:39,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:39,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:39,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:39,670 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:39,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:39,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:39,671 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:39,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:39,671 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:39,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:39,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:39,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:39,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:39,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:39,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:39,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:22:39,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:22:39,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:39,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:39,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:39,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:39,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:22:39,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:39,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:39,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:39,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:39,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:39,679 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:22:39,680 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:22:39,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:39,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:39,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:39,681 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_db7273fd-be09-42fd-b224-03a9f549999c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2021-11-19 13:22:40,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:40,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:40,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:40,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:40,179 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:40,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-19 13:22:40,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/38b0ace8a/7ebc63cb1f794bbcae726302f10d07ff/FLAG4261e1064 [2021-11-19 13:22:41,720 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:41,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-19 13:22:41,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/38b0ace8a/7ebc63cb1f794bbcae726302f10d07ff/FLAG4261e1064 [2021-11-19 13:22:42,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/data/38b0ace8a/7ebc63cb1f794bbcae726302f10d07ff [2021-11-19 13:22:42,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:42,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:42,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:42,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:42,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:42,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:42" (1/1) ... [2021-11-19 13:22:42,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163923a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:42, skipping insertion in model container [2021-11-19 13:22:42,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:42" (1/1) ... [2021-11-19 13:22:42,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:42,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:48,838 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-19 13:22:48,841 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-19 13:22:48,842 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-19 13:22:48,843 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-19 13:22:48,875 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:48,997 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:22:49,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:49,858 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-19 13:22:49,859 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-19 13:22:49,860 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-19 13:22:49,860 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-19 13:22:49,872 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:49,908 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:22:50,636 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-19 13:22:50,636 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-19 13:22:50,637 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-19 13:22:50,638 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_db7273fd-be09-42fd-b224-03a9f549999c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-19 13:22:50,653 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:51,138 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:22:51,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51 WrapperNode [2021-11-19 13:22:51,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:51,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:51,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:22:51,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:22:51,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:51,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:51,654 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7707 [2021-11-19 13:22:51,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:51,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:22:51,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:22:51,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:22:51,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:51,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:51,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:51,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:52,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:52,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:52,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:52,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:22:52,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:22:52,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:22:52,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:22:52,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (1/1) ... [2021-11-19 13:22:52,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:52,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:22:52,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:22:52,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:22:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:22:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:22:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-11-19 13:22:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-11-19 13:22:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:22:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:22:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-11-19 13:22:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-11-19 13:22:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-19 13:22:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-19 13:22:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:22:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:22:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2021-11-19 13:22:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2021-11-19 13:22:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:22:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:22:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-11-19 13:22:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-11-19 13:22:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 13:22:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 13:22:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-11-19 13:22:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-11-19 13:22:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:22:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:22:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 13:22:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 13:22:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:22:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:22:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:22:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:22:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:22:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:22:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-11-19 13:22:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-11-19 13:22:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-11-19 13:22:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-11-19 13:22:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-11-19 13:22:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-11-19 13:22:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-11-19 13:22:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-11-19 13:22:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:22:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:22:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:22:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:22:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-11-19 13:22:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-11-19 13:22:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:22:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:22:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 13:22:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 13:22:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:22:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:22:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:22:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:22:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:22:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:22:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-11-19 13:22:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-11-19 13:22:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:22:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:22:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 13:22:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 13:22:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:22:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-19 13:22:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-19 13:22:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:22:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:22:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:22:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:22:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-11-19 13:22:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-11-19 13:22:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 13:22:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 13:22:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-11-19 13:22:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-11-19 13:22:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 13:22:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 13:22:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:22:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:22:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:22:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:22:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-11-19 13:22:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-11-19 13:22:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:22:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:22:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:22:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:22:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-11-19 13:22:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-11-19 13:22:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:22:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:22:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:22:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:22:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:22:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:22:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:22:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:22:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:22:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:22:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 13:22:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 13:22:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:22:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:22:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 13:22:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 13:22:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:22:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:22:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-11-19 13:22:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-11-19 13:22:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:22:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:22:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:22:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:22:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-11-19 13:22:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-11-19 13:22:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:22:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:22:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:22:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-11-19 13:22:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-11-19 13:22:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:22:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:22:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:22:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:22:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:22:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 13:22:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 13:22:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:22:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:22:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:22:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:22:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:22:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:22:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:22:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:22:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:22:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 13:22:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 13:22:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-19 13:22:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-19 13:22:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-11-19 13:22:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-11-19 13:22:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:22:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:22:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-11-19 13:22:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-11-19 13:22:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:22:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:22:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-11-19 13:22:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-11-19 13:22:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:22:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:22:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 13:22:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 13:22:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:22:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:22:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:22:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:22:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-11-19 13:22:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-11-19 13:22:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 13:22:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 13:22:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 13:22:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 13:22:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:22:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:22:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-11-19 13:22:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-11-19 13:22:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:22:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-19 13:22:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-19 13:22:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-19 13:22:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-19 13:22:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:22:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:22:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 13:22:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:22:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:22:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:22:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:22:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:22:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:22:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:22:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:22:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:22:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:22:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-19 13:22:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-19 13:22:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 13:22:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 13:22:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:22:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:22:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-11-19 13:22:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-11-19 13:22:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-19 13:22:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-19 13:22:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:22:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:22:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 13:22:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 13:22:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 13:22:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 13:22:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-19 13:22:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-19 13:22:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 13:22:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 13:22:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:22:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:22:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-11-19 13:22:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-11-19 13:22:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:22:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:22:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 13:22:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 13:22:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:22:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:22:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:22:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 13:22:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 13:22:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:22:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:22:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-11-19 13:22:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-11-19 13:22:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:22:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-11-19 13:22:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-11-19 13:22:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-11-19 13:22:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-11-19 13:22:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 13:22:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 13:22:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:22:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:22:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:22:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-11-19 13:22:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-11-19 13:22:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:22:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:22:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-11-19 13:22:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-11-19 13:22:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 13:22:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 13:22:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 13:22:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 13:22:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:22:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:22:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:22:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:22:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:22:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:22:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:22:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:22:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-11-19 13:22:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-11-19 13:22:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-19 13:22:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-19 13:22:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-11-19 13:22:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-11-19 13:22:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-11-19 13:22:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-11-19 13:22:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:22:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:22:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 13:22:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 13:22:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-11-19 13:22:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-11-19 13:22:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:22:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:22:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 13:22:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 13:22:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-11-19 13:22:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-11-19 13:22:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:22:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:22:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-11-19 13:22:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-11-19 13:22:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:22:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:22:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:22:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:22:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:22:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:22:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-19 13:22:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-19 13:22:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-11-19 13:22:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-11-19 13:22:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-11-19 13:22:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-11-19 13:22:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:22:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:22:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:22:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:22:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-11-19 13:22:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-11-19 13:22:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:22:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:22:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-11-19 13:22:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-11-19 13:22:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-19 13:22:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-19 13:22:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:22:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:22:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 13:22:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 13:22:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-11-19 13:22:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-11-19 13:22:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:22:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:22:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:22:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:22:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-11-19 13:22:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-11-19 13:22:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-19 13:22:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-19 13:22:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:22:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:22:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-19 13:22:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-19 13:22:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:22:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:22:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-11-19 13:22:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-11-19 13:22:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-11-19 13:22:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-11-19 13:22:53,786 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:22:53,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:22:55,427 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:24:11,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:24:11,897 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:24:11,926 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:24:11,926 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 13:24:11,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:24:11 BoogieIcfgContainer [2021-11-19 13:24:11,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:24:11,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:24:11,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:24:11,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:24:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:22:42" (1/3) ... [2021-11-19 13:24:11,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e8258d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:24:11, skipping insertion in model container [2021-11-19 13:24:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:51" (2/3) ... [2021-11-19 13:24:11,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e8258d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:24:11, skipping insertion in model container [2021-11-19 13:24:11,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:24:11" (3/3) ... [2021-11-19 13:24:11,941 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-19 13:24:11,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:24:11,947 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 13:24:12,006 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:24:12,011 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 13:24:12,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 13:24:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2021-11-19 13:24:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-19 13:24:12,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:12,121 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:12,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 13:24:12,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2021-11-19 13:24:12,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:24:12,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938729044] [2021-11-19 13:24:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:12,147 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:24:12,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:24:12,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:24:12,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:24:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:15,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:24:15,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:24:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-19 13:24:16,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:24:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-19 13:24:16,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:24:16,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938729044] [2021-11-19 13:24:16,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938729044] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:16,715 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:16,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:24:16,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843663657] [2021-11-19 13:24:16,719 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:16,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:24:16,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:24:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:24:16,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:24:16,771 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:24:19,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:24:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:31,304 INFO L93 Difference]: Finished difference Result 11001 states and 15533 transitions. [2021-11-19 13:24:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:24:31,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 181 [2021-11-19 13:24:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:31,400 INFO L225 Difference]: With dead ends: 11001 [2021-11-19 13:24:31,400 INFO L226 Difference]: Without dead ends: 8184 [2021-11-19 13:24:31,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:24:31,431 INFO L933 BasicCegarLoop]: 5361 mSDtfsCounter, 7560 mSDsluCounter, 8858 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7560 SdHoareTripleChecker+Valid, 14219 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:31,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7560 Valid, 14219 Invalid, 1437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1429 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2021-11-19 13:24:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2021-11-19 13:24:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 8118. [2021-11-19 13:24:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8118 states, 5546 states have (on average 1.2533357374684457) internal successors, (6951), 5638 states have internal predecessors, (6951), 2141 states have call successors, (2141), 438 states have call predecessors, (2141), 427 states have return successors, (2147), 2099 states have call predecessors, (2147), 2137 states have call successors, (2147) [2021-11-19 13:24:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8118 states to 8118 states and 11239 transitions. [2021-11-19 13:24:32,105 INFO L78 Accepts]: Start accepts. Automaton has 8118 states and 11239 transitions. Word has length 181 [2021-11-19 13:24:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:32,112 INFO L470 AbstractCegarLoop]: Abstraction has 8118 states and 11239 transitions. [2021-11-19 13:24:32,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:24:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8118 states and 11239 transitions. [2021-11-19 13:24:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-19 13:24:32,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:32,123 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:32,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:24:32,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:24:32,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 13:24:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2021-11-19 13:24:32,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:24:32,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376754811] [2021-11-19 13:24:32,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:32,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:24:32,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:24:32,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:24:32,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:24:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:35,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:24:35,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:24:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-19 13:24:36,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:24:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-19 13:24:36,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:24:36,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376754811] [2021-11-19 13:24:36,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376754811] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:36,548 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:36,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:24:36,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739790986] [2021-11-19 13:24:36,548 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:36,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:24:36,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:24:36,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:24:36,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:24:36,550 INFO L87 Difference]: Start difference. First operand 8118 states and 11239 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:24:38,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:24:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:49,837 INFO L93 Difference]: Finished difference Result 32027 states and 44338 transitions. [2021-11-19 13:24:49,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:24:49,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 182 [2021-11-19 13:24:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:50,023 INFO L225 Difference]: With dead ends: 32027 [2021-11-19 13:24:50,023 INFO L226 Difference]: Without dead ends: 23942 [2021-11-19 13:24:50,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 360 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 13:24:50,072 INFO L933 BasicCegarLoop]: 5305 mSDtfsCounter, 7508 mSDsluCounter, 7532 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7508 SdHoareTripleChecker+Valid, 12837 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:50,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7508 Valid, 12837 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1500 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2021-11-19 13:24:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23942 states. [2021-11-19 13:24:51,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23942 to 23908. [2021-11-19 13:24:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23908 states, 16376 states have (on average 1.2545188080117244) internal successors, (20544), 16628 states have internal predecessors, (20544), 6255 states have call successors, (6255), 1304 states have call predecessors, (6255), 1273 states have return successors, (6281), 6149 states have call predecessors, (6281), 6251 states have call successors, (6281) [2021-11-19 13:24:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23908 states to 23908 states and 33080 transitions. [2021-11-19 13:24:51,581 INFO L78 Accepts]: Start accepts. Automaton has 23908 states and 33080 transitions. Word has length 182 [2021-11-19 13:24:51,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:51,582 INFO L470 AbstractCegarLoop]: Abstraction has 23908 states and 33080 transitions. [2021-11-19 13:24:51,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:24:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23908 states and 33080 transitions. [2021-11-19 13:24:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-19 13:24:51,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:51,592 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:51,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:24:51,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:24:51,810 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 13:24:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:51,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2021-11-19 13:24:51,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:24:51,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858310678] [2021-11-19 13:24:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:51,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:24:51,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:24:51,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:24:51,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:24:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:54,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:24:54,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:24:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-19 13:24:54,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:24:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-19 13:24:55,522 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:24:55,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858310678] [2021-11-19 13:24:55,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858310678] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:55,522 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:55,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:24:55,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776127519] [2021-11-19 13:24:55,523 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:55,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:24:55,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:24:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:24:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:24:55,525 INFO L87 Difference]: Start difference. First operand 23908 states and 33080 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:24:57,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:25:09,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:09,894 INFO L93 Difference]: Finished difference Result 94873 states and 131600 transitions. [2021-11-19 13:25:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:25:09,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 196 [2021-11-19 13:25:09,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:10,603 INFO L225 Difference]: With dead ends: 94873 [2021-11-19 13:25:10,603 INFO L226 Difference]: Without dead ends: 70998 [2021-11-19 13:25:10,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 388 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 13:25:10,733 INFO L933 BasicCegarLoop]: 5635 mSDtfsCounter, 7561 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7561 SdHoareTripleChecker+Valid, 14544 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:10,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7561 Valid, 14544 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1472 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-11-19 13:25:10,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70998 states. [2021-11-19 13:25:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70998 to 70900. [2021-11-19 13:25:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70900 states, 48596 states have (on average 1.255411968063215) internal successors, (61008), 49376 states have internal predecessors, (61008), 18537 states have call successors, (18537), 3884 states have call predecessors, (18537), 3763 states have return successors, (18857), 18125 states have call predecessors, (18857), 18533 states have call successors, (18857) [2021-11-19 13:25:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70900 states to 70900 states and 98402 transitions. [2021-11-19 13:25:15,453 INFO L78 Accepts]: Start accepts. Automaton has 70900 states and 98402 transitions. Word has length 196 [2021-11-19 13:25:15,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:15,455 INFO L470 AbstractCegarLoop]: Abstraction has 70900 states and 98402 transitions. [2021-11-19 13:25:15,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:25:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 70900 states and 98402 transitions. [2021-11-19 13:25:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-19 13:25:15,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:15,465 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:25:15,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:25:15,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:25:15,689 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 13:25:15,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:15,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2021-11-19 13:25:15,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:25:15,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580213983] [2021-11-19 13:25:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:15,693 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:25:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:25:15,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:25:15,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:25:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:18,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:25:18,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:25:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-19 13:25:18,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:25:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-11-19 13:25:19,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:25:19,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580213983] [2021-11-19 13:25:19,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580213983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:19,667 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:19,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:25:19,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761982794] [2021-11-19 13:25:19,669 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:19,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:25:19,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:25:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:25:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:25:19,671 INFO L87 Difference]: Start difference. First operand 70900 states and 98402 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:25:21,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:25:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:36,836 INFO L93 Difference]: Finished difference Result 221102 states and 306790 transitions. [2021-11-19 13:25:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:25:36,837 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 204 [2021-11-19 13:25:36,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:37,920 INFO L225 Difference]: With dead ends: 221102 [2021-11-19 13:25:37,920 INFO L226 Difference]: Without dead ends: 150235 [2021-11-19 13:25:38,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 404 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 13:25:38,175 INFO L933 BasicCegarLoop]: 5379 mSDtfsCounter, 7606 mSDsluCounter, 9766 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7606 SdHoareTripleChecker+Valid, 15145 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:38,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7606 Valid, 15145 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1494 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2021-11-19 13:25:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150235 states. [2021-11-19 13:25:44,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150235 to 150137. [2021-11-19 13:25:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150137 states, 102856 states have (on average 1.2549194991055457) internal successors, (129076), 104530 states have internal predecessors, (129076), 39246 states have call successors, (39246), 8278 states have call predecessors, (39246), 8031 states have return successors, (39912), 38362 states have call predecessors, (39912), 39242 states have call successors, (39912) [2021-11-19 13:25:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150137 states to 150137 states and 208234 transitions. [2021-11-19 13:25:46,030 INFO L78 Accepts]: Start accepts. Automaton has 150137 states and 208234 transitions. Word has length 204 [2021-11-19 13:25:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:46,031 INFO L470 AbstractCegarLoop]: Abstraction has 150137 states and 208234 transitions. [2021-11-19 13:25:46,031 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:25:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 150137 states and 208234 transitions. [2021-11-19 13:25:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-19 13:25:46,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:46,039 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:25:46,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:25:46,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:25:46,253 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 13:25:46,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:46,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2021-11-19 13:25:46,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:25:46,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691559808] [2021-11-19 13:25:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:46,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:25:46,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:25:46,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:25:46,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7273fd-be09-42fd-b224-03a9f549999c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:25:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:48,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:25:48,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:25:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-19 13:25:49,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:25:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-19 13:25:50,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:25:50,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691559808] [2021-11-19 13:25:50,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691559808] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:50,459 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:50,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:25:50,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895199152] [2021-11-19 13:25:50,459 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:50,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:25:50,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:25:50,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:25:50,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:25:50,461 INFO L87 Difference]: Start difference. First operand 150137 states and 208234 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 13:25:52,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:02,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:02,098 INFO L93 Difference]: Finished difference Result 394152 states and 545234 transitions. [2021-11-19 13:26:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:26:02,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 209 [2021-11-19 13:26:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:03,330 INFO L225 Difference]: With dead ends: 394152 [2021-11-19 13:26:03,330 INFO L226 Difference]: Without dead ends: 244048 [2021-11-19 13:26:03,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:26:03,744 INFO L933 BasicCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:03,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:26:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244048 states.