./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:43:41,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:43:41,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:43:41,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:43:41,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:43:41,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:43:41,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:43:41,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:43:41,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:43:41,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:43:41,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:43:41,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:43:41,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:43:41,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:43:41,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:43:41,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:43:41,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:43:41,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:43:41,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:43:41,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:43:41,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:43:41,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:43:41,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:43:41,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:43:41,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:43:41,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:43:41,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:43:41,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:43:41,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:43:41,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:43:41,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:43:41,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:43:41,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:43:41,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:43:41,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:43:41,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:43:41,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:43:41,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:43:41,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:43:41,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:43:41,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:43:41,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:43:41,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:43:41,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:43:41,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:43:41,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:43:41,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:43:41,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:43:41,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:43:41,546 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:43:41,546 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:43:41,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:43:41,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:43:41,547 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:43:41,547 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:43:41,548 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:43:41,548 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:43:41,548 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:43:41,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:43:41,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:43:41,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:43:41,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:43:41,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:43:41,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:43:41,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:43:41,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:43:41,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:43:41,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:43:41,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:43:41,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:43:41,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:43:41,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:43:41,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:43:41,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:43:41,554 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:43:41,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:43:41,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:43:41,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:43:41,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:43:41,555 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-11-19 14:43:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:43:41,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:43:41,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:43:41,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:43:41,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:43:41,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:43:42,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/4ec7524a1/dd8ca93adc444b78b54532788c3489db/FLAG40aee31ad [2021-11-19 14:43:43,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:43:43,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:43:43,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/4ec7524a1/dd8ca93adc444b78b54532788c3489db/FLAG40aee31ad [2021-11-19 14:43:44,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/4ec7524a1/dd8ca93adc444b78b54532788c3489db [2021-11-19 14:43:44,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:43:44,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:43:44,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:43:44,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:43:44,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:43:44,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:44" (1/1) ... [2021-11-19 14:43:44,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391cf1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:44, skipping insertion in model container [2021-11-19 14:43:44,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:44" (1/1) ... [2021-11-19 14:43:44,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:43:44,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:43:45,894 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:45,919 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:45,963 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:45,976 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:45,983 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,005 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,023 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,040 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,055 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,071 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,083 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,085 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,111 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,129 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,159 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,161 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:46,162 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:47,875 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,397 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,398 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,425 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,471 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,685 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,687 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,687 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,707 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,720 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,850 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,851 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:48,875 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,079 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,079 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,164 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,165 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,168 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,169 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,218 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,227 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,238 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,252 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,253 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,277 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,286 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,297 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,317 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,338 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,338 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,348 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,359 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,360 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,379 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,379 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,396 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,396 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:49,409 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,178 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,194 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,209 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,219 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,236 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,261 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:50,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:43:51,655 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-11-19 14:43:51,659 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-11-19 14:43:51,660 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-11-19 14:43:51,661 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-11-19 14:43:51,713 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:43:51,890 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:43:51,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f144ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:51, skipping insertion in model container [2021-11-19 14:43:51,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:43:51,892 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:43:51,895 INFO L158 Benchmark]: Toolchain (without parser) took 7885.68ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 76.5MB in the beginning and 145.6MB in the end (delta: -69.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-19 14:43:51,897 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:43:51,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7878.78ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 76.2MB in the beginning and 145.6MB in the end (delta: -69.4MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-19 14:43:51,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7878.78ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 76.2MB in the beginning and 145.6MB in the end (delta: -69.4MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6349]: 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:43:54,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:43:54,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:43:54,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:43:54,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:43:54,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:43:54,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:43:54,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:43:54,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:43:54,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:43:54,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:43:54,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:43:54,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:43:54,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:43:54,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:43:54,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:43:54,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:43:54,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:43:54,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:43:54,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:43:54,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:43:54,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:43:54,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:43:54,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:43:54,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:43:54,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:43:54,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:43:54,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:43:54,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:43:54,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:43:54,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:43:54,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:43:54,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:43:54,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:43:54,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:43:54,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:43:54,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:43:54,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:43:54,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:43:54,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:43:54,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:43:54,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:43:55,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:43:55,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:43:55,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:43:55,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:43:55,020 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:43:55,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:43:55,020 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:43:55,021 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:43:55,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:43:55,021 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:43:55,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:43:55,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:43:55,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:43:55,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:43:55,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:43:55,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:43:55,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:43:55,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:43:55,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:43:55,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:43:55,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:43:55,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:43:55,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:43:55,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:43:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:43:55,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:43:55,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:43:55,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:43:55,029 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:43:55,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:43:55,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:43:55,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:43:55,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:43:55,030 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-11-19 14:43:55,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:43:55,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:43:55,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:43:55,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:43:55,545 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:43:55,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:43:55,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/f512c2506/2197d6eff8684d3d8570bc6daa433b5a/FLAG1dc1abf48 [2021-11-19 14:43:57,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:43:57,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:43:57,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/f512c2506/2197d6eff8684d3d8570bc6daa433b5a/FLAG1dc1abf48 [2021-11-19 14:43:57,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/data/f512c2506/2197d6eff8684d3d8570bc6daa433b5a [2021-11-19 14:43:57,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:43:57,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:43:57,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:43:57,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:43:57,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:43:57,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:57" (1/1) ... [2021-11-19 14:43:57,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268df305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:57, skipping insertion in model container [2021-11-19 14:43:57,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:57" (1/1) ... [2021-11-19 14:43:57,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:43:57,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:05,240 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-11-19 14:44:05,244 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-11-19 14:44:05,245 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-11-19 14:44:05,246 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-11-19 14:44:05,302 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:05,437 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:44:05,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:06,347 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-11-19 14:44:06,355 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-11-19 14:44:06,356 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-11-19 14:44:06,356 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-11-19 14:44:06,377 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:06,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:44:07,235 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-11-19 14:44:07,236 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-11-19 14:44:07,237 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-11-19 14:44:07,243 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_4dc6838c-3fef-4901-a86a-35cfe0e991c9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-11-19 14:44:07,261 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:08,149 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:44:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08 WrapperNode [2021-11-19 14:44:08,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:08,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:08,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:44:08,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:44:08,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:08,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:08,808 INFO L137 Inliner]: procedures = 718, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10533 [2021-11-19 14:44:08,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:08,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:44:08,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:44:08,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:44:08,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:08,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:08,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:08,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:09,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:09,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:09,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:09,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:44:09,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:44:09,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:44:09,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:44:09,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (1/1) ... [2021-11-19 14:44:09,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:09,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:44:09,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:44:09,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:44:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-11-19 14:44:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-11-19 14:44:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:44:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:44:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-11-19 14:44:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-11-19 14:44:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:44:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:44:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:44:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:44:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-19 14:44:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-19 14:44:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-11-19 14:44:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-11-19 14:44:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:44:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:44:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:44:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:44:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-11-19 14:44:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-11-19 14:44:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-11-19 14:44:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-11-19 14:44:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 14:44:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 14:44:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:44:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:44:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-11-19 14:44:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-11-19 14:44:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-11-19 14:44:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-11-19 14:44:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-11-19 14:44:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-11-19 14:44:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:44:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:44:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:44:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:44:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:44:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:44:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-11-19 14:44:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-11-19 14:44:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-11-19 14:44:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-11-19 14:44:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-11-19 14:44:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-11-19 14:44:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-11-19 14:44:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-11-19 14:44:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:44:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:44:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-19 14:44:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-19 14:44:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:44:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:44:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:44:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:44:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:44:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:44:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-19 14:44:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-19 14:44:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-11-19 14:44:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-11-19 14:44:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:44:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:44:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:44:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:44:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-11-19 14:44:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-11-19 14:44:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:44:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:44:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:44:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:44:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:44:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:44:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:44:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:44:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:44:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:44:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:44:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:44:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:44:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-11-19 14:44:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-11-19 14:44:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:44:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:44:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:44:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:44:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:44:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:44:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-11-19 14:44:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-11-19 14:44:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:44:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:44:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-11-19 14:44:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-11-19 14:44:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-19 14:44:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-19 14:44:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:44:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:44:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:44:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:44:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:44:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:44:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:44:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:44:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-11-19 14:44:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-11-19 14:44:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-11-19 14:44:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-11-19 14:44:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-11-19 14:44:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-11-19 14:44:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:44:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:44:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:44:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:44:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-19 14:44:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-19 14:44:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:44:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:44:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-11-19 14:44:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-11-19 14:44:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:44:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:44:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 14:44:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 14:44:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:44:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:44:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:44:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:44:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-19 14:44:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-19 14:44:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-11-19 14:44:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-11-19 14:44:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-11-19 14:44:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-11-19 14:44:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 14:44:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 14:44:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:44:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:44:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:44:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:44:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-11-19 14:44:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-11-19 14:44:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:44:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:44:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:44:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:44:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:44:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:44:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:44:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:44:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:44:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-19 14:44:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-19 14:44:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 14:44:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 14:44:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:44:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:44:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:44:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:44:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:44:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:44:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:44:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:44:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:44:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:44:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:44:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:44:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:44:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:44:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:44:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:44:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:44:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 14:44:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 14:44:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:44:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:44:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-19 14:44:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-19 14:44:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:44:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:44:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-11-19 14:44:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-11-19 14:44:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:44:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:44:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-11-19 14:44:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-11-19 14:44:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:44:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:44:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-11-19 14:44:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-11-19 14:44:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:44:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:44:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:44:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:44:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:44:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-11-19 14:44:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-11-19 14:44:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-11-19 14:44:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-11-19 14:44:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 14:44:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 14:44:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:44:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-11-19 14:44:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-11-19 14:44:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:44:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:44:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:44:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-11-19 14:44:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-11-19 14:44:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:44:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:44:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:44:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:44:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:44:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:44:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-19 14:44:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-19 14:44:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:44:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:44:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-11-19 14:44:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-11-19 14:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-19 14:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-19 14:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:44:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-11-19 14:44:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-11-19 14:44:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-11-19 14:44:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-11-19 14:44:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-11-19 14:44:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-11-19 14:44:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 14:44:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 14:44:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-19 14:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-19 14:44:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-11-19 14:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-11-19 14:44:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:44:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:44:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:44:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-11-19 14:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-11-19 14:44:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-11-19 14:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-11-19 14:44:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-11-19 14:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-11-19 14:44:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 14:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 14:44:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-19 14:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-19 14:44:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-11-19 14:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-11-19 14:44:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-11-19 14:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-11-19 14:44:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-19 14:44:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-19 14:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:44:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:44:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-11-19 14:44:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-11-19 14:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-19 14:44:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-19 14:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-11-19 14:44:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-11-19 14:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:44:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:44:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-11-19 14:44:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-11-19 14:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:44:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:44:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-11-19 14:44:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-11-19 14:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:44:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-11-19 14:44:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-11-19 14:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-11-19 14:44:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-11-19 14:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-11-19 14:44:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-11-19 14:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:44:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:44:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-11-19 14:44:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-11-19 14:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-11-19 14:44:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-11-19 14:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:44:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-11-19 14:44:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-11-19 14:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:44:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:44:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-11-19 14:44:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-11-19 14:44:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:44:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:44:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:44:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:44:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:44:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:44:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-11-19 14:44:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-11-19 14:44:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-11-19 14:44:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-11-19 14:44:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-11-19 14:44:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-11-19 14:44:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-11-19 14:44:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-11-19 14:44:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:44:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-11-19 14:44:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-11-19 14:44:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:44:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:44:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:44:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:44:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:44:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-11-19 14:44:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-11-19 14:44:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-11-19 14:44:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-11-19 14:44:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:44:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:44:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-11-19 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-11-19 14:44:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-11-19 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-11-19 14:44:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-11-19 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-11-19 14:44:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 14:44:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:44:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-11-19 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-11-19 14:44:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2021-11-19 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2021-11-19 14:44:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:44:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-11-19 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-11-19 14:44:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-11-19 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-11-19 14:44:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-19 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-19 14:44:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-11-19 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-11-19 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-11-19 14:44:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-11-19 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-11-19 14:44:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-11-19 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:44:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:44:11,606 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:44:11,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:44:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:47:15,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:47:19,268 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:47:19,305 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:47:19,306 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:47:19,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:19 BoogieIcfgContainer [2021-11-19 14:47:19,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:47:19,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:47:19,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:47:19,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:47:19,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:43:57" (1/3) ... [2021-11-19 14:47:19,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f0e6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:47:19, skipping insertion in model container [2021-11-19 14:47:19,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:08" (2/3) ... [2021-11-19 14:47:19,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f0e6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:47:19, skipping insertion in model container [2021-11-19 14:47:19,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:19" (3/3) ... [2021-11-19 14:47:19,328 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-19 14:47:19,335 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:47:19,335 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 14:47:19,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:47:19,423 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:47:19,423 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 14:47:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2021-11-19 14:47:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-19 14:47:19,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:19,568 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:47:19,569 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 14:47:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash 231902056, now seen corresponding path program 1 times [2021-11-19 14:47:19,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:19,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28824956] [2021-11-19 14:47:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:19,604 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:19,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:19,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:19,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:47:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:25,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 4260 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:25,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:47:26,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:47:27,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:27,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28824956] [2021-11-19 14:47:27,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28824956] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:27,399 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:27,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:47:27,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529088490] [2021-11-19 14:47:27,402 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:27,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:47:27,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:47:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:27,457 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:47:29,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:47:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:47:50,158 INFO L93 Difference]: Finished difference Result 13221 states and 18937 transitions. [2021-11-19 14:47:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:47:50,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 261 [2021-11-19 14:47:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:47:50,292 INFO L225 Difference]: With dead ends: 13221 [2021-11-19 14:47:50,292 INFO L226 Difference]: Without dead ends: 9844 [2021-11-19 14:47:50,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:50,343 INFO L933 BasicCegarLoop]: 6305 mSDtfsCounter, 9055 mSDsluCounter, 8427 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9055 SdHoareTripleChecker+Valid, 14732 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:47:50,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9055 Valid, 14732 Invalid, 1744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 1718 Invalid, 1 Unknown, 0 Unchecked, 21.5s Time] [2021-11-19 14:47:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9844 states. [2021-11-19 14:47:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9844 to 9809. [2021-11-19 14:47:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9809 states, 6842 states have (on average 1.2658579362759428) internal successors, (8661), 6965 states have internal predecessors, (8661), 2457 states have call successors, (2457), 507 states have call predecessors, (2457), 506 states have return successors, (2453), 2405 states have call predecessors, (2453), 2453 states have call successors, (2453) [2021-11-19 14:47:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9809 states to 9809 states and 13571 transitions. [2021-11-19 14:47:51,353 INFO L78 Accepts]: Start accepts. Automaton has 9809 states and 13571 transitions. Word has length 261 [2021-11-19 14:47:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:47:51,355 INFO L470 AbstractCegarLoop]: Abstraction has 9809 states and 13571 transitions. [2021-11-19 14:47:51,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:47:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9809 states and 13571 transitions. [2021-11-19 14:47:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-19 14:47:51,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:51,367 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:47:51,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:47:51,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:47:51,581 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-19 14:47:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:51,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1555219149, now seen corresponding path program 1 times [2021-11-19 14:47:51,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:51,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524768875] [2021-11-19 14:47:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:51,589 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:51,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:51,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:47:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:56,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 4367 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:56,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:47:57,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:47:58,908 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:58,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524768875] [2021-11-19 14:47:58,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524768875] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:58,908 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:58,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:47:58,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133596321] [2021-11-19 14:47:58,909 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:58,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:47:58,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:47:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:47:58,916 INFO L87 Difference]: Start difference. First operand 9809 states and 13571 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 14:48:01,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:02,904 INFO L93 Difference]: Finished difference Result 25906 states and 35828 transitions. [2021-11-19 14:48:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:48:02,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 267 [2021-11-19 14:48:02,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:03,107 INFO L225 Difference]: With dead ends: 25906 [2021-11-19 14:48:03,107 INFO L226 Difference]: Without dead ends: 16144 [2021-11-19 14:48:03,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:48:03,174 INFO L933 BasicCegarLoop]: 5559 mSDtfsCounter, 4465 mSDsluCounter, 4617 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 10176 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:03,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4465 Valid, 10176 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:48:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16144 states. [2021-11-19 14:48:04,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16144 to 16110. [2021-11-19 14:48:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16110 states, 11230 states have (on average 1.2646482635796972) internal successors, (14202), 11436 states have internal predecessors, (14202), 4033 states have call successors, (4033), 844 states have call predecessors, (4033), 843 states have return successors, (4029), 3944 states have call predecessors, (4029), 4029 states have call successors, (4029) [2021-11-19 14:48:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16110 states to 16110 states and 22264 transitions. [2021-11-19 14:48:04,727 INFO L78 Accepts]: Start accepts. Automaton has 16110 states and 22264 transitions. Word has length 267 [2021-11-19 14:48:04,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:04,730 INFO L470 AbstractCegarLoop]: Abstraction has 16110 states and 22264 transitions. [2021-11-19 14:48:04,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 14:48:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16110 states and 22264 transitions. [2021-11-19 14:48:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-19 14:48:04,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:04,744 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:04,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:04,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:04,960 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 14:48:04,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1940313471, now seen corresponding path program 1 times [2021-11-19 14:48:05,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:05,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512114040] [2021-11-19 14:48:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:05,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:05,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:05,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:48:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:11,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 4342 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:11,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:48:12,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:48:13,113 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:13,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512114040] [2021-11-19 14:48:13,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512114040] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:13,114 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:13,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:13,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650440950] [2021-11-19 14:48:13,114 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:13,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:13,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:13,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:13,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:13,117 INFO L87 Difference]: Start difference. First operand 16110 states and 22264 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:48:15,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:17,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:17,473 INFO L93 Difference]: Finished difference Result 31789 states and 43897 transitions. [2021-11-19 14:48:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 269 [2021-11-19 14:48:17,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:17,817 INFO L225 Difference]: With dead ends: 31789 [2021-11-19 14:48:17,818 INFO L226 Difference]: Without dead ends: 15726 [2021-11-19 14:48:18,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:18,081 INFO L933 BasicCegarLoop]: 4561 mSDtfsCounter, 4547 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 4599 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:18,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4547 Valid, 4599 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:48:18,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2021-11-19 14:48:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15726. [2021-11-19 14:48:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15726 states, 10983 states have (on average 1.2638623326959848) internal successors, (13881), 11174 states have internal predecessors, (13881), 3907 states have call successors, (3907), 833 states have call predecessors, (3907), 832 states have return successors, (3903), 3823 states have call predecessors, (3903), 3903 states have call successors, (3903) [2021-11-19 14:48:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15726 states to 15726 states and 21691 transitions. [2021-11-19 14:48:19,620 INFO L78 Accepts]: Start accepts. Automaton has 15726 states and 21691 transitions. Word has length 269 [2021-11-19 14:48:19,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:19,622 INFO L470 AbstractCegarLoop]: Abstraction has 15726 states and 21691 transitions. [2021-11-19 14:48:19,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:48:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 15726 states and 21691 transitions. [2021-11-19 14:48:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-19 14:48:19,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:19,633 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:19,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:19,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:19,857 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 14:48:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -164154417, now seen corresponding path program 1 times [2021-11-19 14:48:19,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:19,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398437232] [2021-11-19 14:48:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:19,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:19,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:19,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:48:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:25,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 4401 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:48:26,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:48:27,219 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:27,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398437232] [2021-11-19 14:48:27,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398437232] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:27,220 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:27,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:27,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088489827] [2021-11-19 14:48:27,221 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:27,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:27,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:27,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:27,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:27,223 INFO L87 Difference]: Start difference. First operand 15726 states and 21691 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 4 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-19 14:48:29,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:53,734 INFO L93 Difference]: Finished difference Result 60830 states and 83874 transitions. [2021-11-19 14:48:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:53,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 4 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2021-11-19 14:48:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:54,069 INFO L225 Difference]: With dead ends: 60830 [2021-11-19 14:48:54,069 INFO L226 Difference]: Without dead ends: 45172 [2021-11-19 14:48:54,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:54,158 INFO L933 BasicCegarLoop]: 6178 mSDtfsCounter, 11323 mSDsluCounter, 6964 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 1603 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11323 SdHoareTripleChecker+Valid, 13142 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1603 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:54,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11323 Valid, 13142 Invalid, 3411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1603 Valid, 1807 Invalid, 1 Unknown, 0 Unchecked, 24.3s Time] [2021-11-19 14:48:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45172 states. [2021-11-19 14:48:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45172 to 45088. [2021-11-19 14:48:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45088 states, 31357 states have (on average 1.260228975986223) internal successors, (39517), 31944 states have internal predecessors, (39517), 11251 states have call successors, (11251), 2477 states have call predecessors, (11251), 2476 states have return successors, (11247), 10981 states have call predecessors, (11247), 11247 states have call successors, (11247) [2021-11-19 14:48:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45088 states to 45088 states and 62015 transitions. [2021-11-19 14:48:58,268 INFO L78 Accepts]: Start accepts. Automaton has 45088 states and 62015 transitions. Word has length 273 [2021-11-19 14:48:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:58,269 INFO L470 AbstractCegarLoop]: Abstraction has 45088 states and 62015 transitions. [2021-11-19 14:48:58,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 4 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-19 14:48:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 45088 states and 62015 transitions. [2021-11-19 14:48:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-19 14:48:58,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:58,279 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:58,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:58,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:58,505 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 14:48:58,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971432, now seen corresponding path program 1 times [2021-11-19 14:48:58,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:58,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629710775] [2021-11-19 14:48:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:58,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:58,512 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:58,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:49:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:03,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 4411 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:03,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:49:04,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:49:05,770 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:05,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629710775] [2021-11-19 14:49:05,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629710775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:05,772 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:05,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:49:05,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118377281] [2021-11-19 14:49:05,772 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:05,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:49:05,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:49:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:05,774 INFO L87 Difference]: Start difference. First operand 45088 states and 62015 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 14:49:08,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:12,282 INFO L93 Difference]: Finished difference Result 124371 states and 171204 transitions. [2021-11-19 14:49:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:49:12,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 273 [2021-11-19 14:49:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:13,204 INFO L225 Difference]: With dead ends: 124371 [2021-11-19 14:49:13,205 INFO L226 Difference]: Without dead ends: 79351 [2021-11-19 14:49:13,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:13,455 INFO L933 BasicCegarLoop]: 5241 mSDtfsCounter, 3508 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 9675 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:13,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3508 Valid, 9675 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 14:49:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79351 states. [2021-11-19 14:49:18,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79351 to 79291. [2021-11-19 14:49:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79291 states, 54868 states have (on average 1.2544834876430706) internal successors, (68831), 55904 states have internal predecessors, (68831), 19892 states have call successors, (19892), 4573 states have call predecessors, (19892), 4527 states have return successors, (20408), 19308 states have call predecessors, (20408), 19888 states have call successors, (20408) [2021-11-19 14:49:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79291 states to 79291 states and 109131 transitions. [2021-11-19 14:49:19,507 INFO L78 Accepts]: Start accepts. Automaton has 79291 states and 109131 transitions. Word has length 273 [2021-11-19 14:49:19,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:19,508 INFO L470 AbstractCegarLoop]: Abstraction has 79291 states and 109131 transitions. [2021-11-19 14:49:19,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 14:49:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 79291 states and 109131 transitions. [2021-11-19 14:49:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-19 14:49:19,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:19,530 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:19,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:19,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:19,755 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 14:49:19,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:19,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1261741797, now seen corresponding path program 1 times [2021-11-19 14:49:19,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:19,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933368213] [2021-11-19 14:49:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:19,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:19,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:19,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:49:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:25,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 4607 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:25,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-11-19 14:49:26,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-19 14:49:27,456 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:27,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933368213] [2021-11-19 14:49:27,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933368213] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:27,456 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:27,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:27,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650633923] [2021-11-19 14:49:27,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:27,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:27,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:27,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:27,458 INFO L87 Difference]: Start difference. First operand 79291 states and 109131 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:49:29,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:53,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:53,713 INFO L93 Difference]: Finished difference Result 248967 states and 340391 transitions. [2021-11-19 14:49:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:53,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 306 [2021-11-19 14:49:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:55,058 INFO L225 Difference]: With dead ends: 248967 [2021-11-19 14:49:55,058 INFO L226 Difference]: Without dead ends: 169744 [2021-11-19 14:49:55,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:55,691 INFO L933 BasicCegarLoop]: 6894 mSDtfsCounter, 8082 mSDsluCounter, 7547 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 14441 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:55,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8082 Valid, 14441 Invalid, 1764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 1719 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2021-11-19 14:49:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169744 states. [2021-11-19 14:50:05,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169744 to 169636. [2021-11-19 14:50:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169636 states, 116659 states have (on average 1.2442589084425548) internal successors, (145154), 118997 states have internal predecessors, (145154), 42290 states have call successors, (42290), 10816 states have call predecessors, (42290), 10683 states have return successors, (43318), 40920 states have call predecessors, (43318), 42286 states have call successors, (43318) [2021-11-19 14:50:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169636 states to 169636 states and 230762 transitions. [2021-11-19 14:50:07,658 INFO L78 Accepts]: Start accepts. Automaton has 169636 states and 230762 transitions. Word has length 306 [2021-11-19 14:50:07,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:07,661 INFO L470 AbstractCegarLoop]: Abstraction has 169636 states and 230762 transitions. [2021-11-19 14:50:07,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:50:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 169636 states and 230762 transitions. [2021-11-19 14:50:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-19 14:50:07,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:07,678 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:07,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:07,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:07,905 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 14:50:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:07,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1268212374, now seen corresponding path program 1 times [2021-11-19 14:50:07,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:07,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498706791] [2021-11-19 14:50:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:07,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:07,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:07,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6838c-3fef-4901-a86a-35cfe0e991c9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:50:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:12,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:50:12,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-11-19 14:50:18,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-11-19 14:50:20,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:20,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498706791] [2021-11-19 14:50:20,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498706791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:20,377 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:20,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 14:50:20,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329012518] [2021-11-19 14:50:20,378 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:20,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:50:20,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:20,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:50:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:50:20,379 INFO L87 Difference]: Start difference. First operand 169636 states and 230762 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (63), 4 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-19 14:50:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:28,049 INFO L93 Difference]: Finished difference Result 169642 states and 230767 transitions. [2021-11-19 14:50:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:50:28,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (63), 4 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 321 [2021-11-19 14:50:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:29,513 INFO L225 Difference]: With dead ends: 169642 [2021-11-19 14:50:29,513 INFO L226 Difference]: Without dead ends: 169640 [2021-11-19 14:50:29,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:50:29,619 INFO L933 BasicCegarLoop]: 4538 mSDtfsCounter, 4409 mSDsluCounter, 13595 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 18133 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:29,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4425 Valid, 18133 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:50:29,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169640 states.