./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V --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 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:52:41,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:52:41,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:52:41,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:52:41,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:52:41,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:52:41,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:52:41,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:52:41,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:52:41,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:52:41,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:52:41,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:52:41,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:52:41,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:52:42,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:52:42,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:52:42,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:52:42,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:52:42,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:52:42,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:52:42,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:52:42,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:52:42,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:52:42,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:52:42,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:52:42,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:52:42,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:52:42,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:52:42,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:52:42,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:52:42,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:52:42,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:52:42,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:52:42,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:52:42,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:52:42,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:52:42,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:52:42,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:52:42,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:52:42,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:52:42,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:52:42,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:52:42,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:52:42,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:52:42,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:52:42,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:52:42,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:52:42,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:52:42,121 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:52:42,122 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:52:42,122 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:52:42,122 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:52:42,123 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:52:42,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:52:42,124 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:52:42,124 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:52:42,124 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:52:42,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:52:42,125 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:52:42,125 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:52:42,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:52:42,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:52:42,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:52:42,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:52:42,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:52:42,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:52:42,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:52:42,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:52:42,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:52:42,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:52:42,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:52:42,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:42,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:52:42,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:52:42,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:52:42,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:52:42,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:52:42,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:52:42,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:52:42,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:52:42,132 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_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-11-23 02:52:42,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:52:42,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:52:42,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:52:42,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:52:42,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:52:42,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 02:52:42,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/data/ba9bfeea5/6fb758d5a6be48f888a669d07c8b13bd/FLAG7d4e0448d [2021-11-23 02:52:43,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:52:43,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 02:52:43,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/data/ba9bfeea5/6fb758d5a6be48f888a669d07c8b13bd/FLAG7d4e0448d [2021-11-23 02:52:44,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/data/ba9bfeea5/6fb758d5a6be48f888a669d07c8b13bd [2021-11-23 02:52:44,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:52:44,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:52:44,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:44,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:52:44,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:52:44,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:44" (1/1) ... [2021-11-23 02:52:44,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f055fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:44, skipping insertion in model container [2021-11-23 02:52:44,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:44" (1/1) ... [2021-11-23 02:52:44,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:52:44,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:52:52,550 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-23 02:52:52,554 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-23 02:52:52,555 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-23 02:52:52,556 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-23 02:52:52,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:52:52,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:52:53,665 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-23 02:52:53,665 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-23 02:52:53,666 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-23 02:52:53,666 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_e70d509d-f689-423d-a715-cbafd614f3ae/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-23 02:52:53,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:52:54,484 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:52:54,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54 WrapperNode [2021-11-23 02:52:54,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:54,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:52:54,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:52:54,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:52:54,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:54,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:55,331 INFO L137 Inliner]: procedures = 722, calls = 8418, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16728 [2021-11-23 02:52:55,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:52:55,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:52:55,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:52:55,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:52:55,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:55,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:55,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:55,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:56,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:56,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:56,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:56,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:52:56,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:52:56,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:52:56,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:52:56,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (1/1) ... [2021-11-23 02:52:56,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:52:56,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:52:56,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:52:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:52:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:52:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-23 02:52:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-23 02:52:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-23 02:52:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-23 02:52:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-23 02:52:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-23 02:52:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 02:52:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 02:52:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 02:52:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 02:52:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-23 02:52:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-23 02:52:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 02:52:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 02:52:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:52:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:52:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 02:52:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 02:52:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-23 02:52:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-23 02:52:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-23 02:52:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-23 02:52:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 02:52:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 02:52:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-23 02:52:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-23 02:52:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-23 02:52:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-23 02:52:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:52:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:52:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-23 02:52:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-23 02:52:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-23 02:52:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-23 02:52:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-23 02:52:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-23 02:52:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-23 02:52:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-23 02:52:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-23 02:52:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-23 02:52:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-23 02:52:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-23 02:52:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 02:52:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 02:52:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-23 02:52:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-23 02:52:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-23 02:52:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-23 02:52:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:52:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:52:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 02:52:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 02:52:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:52:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:52:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-23 02:52:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-23 02:52:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-23 02:52:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-23 02:52:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-23 02:52:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-23 02:52:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 02:52:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 02:52:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-23 02:52:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-23 02:52:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:52:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:52:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-23 02:52:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-23 02:52:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-23 02:52:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-23 02:52:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-23 02:52:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-23 02:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-23 02:52:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-23 02:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-11-23 02:52:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-11-23 02:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:52:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:52:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:52:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:52:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:52:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 02:52:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 02:52:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:52:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:52:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 02:52:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 02:52:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-23 02:52:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-23 02:52:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 02:52:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 02:52:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:52:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-23 02:52:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-23 02:52:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-23 02:52:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-23 02:52:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 02:52:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 02:52:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 02:52:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 02:52:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-23 02:52:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-23 02:52:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:52:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-23 02:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-23 02:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:52:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:52:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 02:52:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 02:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-23 02:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-23 02:52:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-23 02:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-23 02:52:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-23 02:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-23 02:52:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:52:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-23 02:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-23 02:52:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:52:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-23 02:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-23 02:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:52:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-23 02:52:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-23 02:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-23 02:52:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-23 02:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-23 02:52:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-23 02:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-23 02:52:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-23 02:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:52:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:52:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-23 02:52:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-23 02:52:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:52:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:52:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-23 02:52:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-23 02:52:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:52:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:52:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-23 02:52:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-23 02:52:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-23 02:52:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-23 02:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-23 02:52:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-23 02:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:52:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:52:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-23 02:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-23 02:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-23 02:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-23 02:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-23 02:52:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-23 02:52:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-23 02:52:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-23 02:52:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-23 02:52:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-23 02:52:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-23 02:52:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-23 02:52:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:52:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:52:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-23 02:52:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-23 02:52:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-23 02:52:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-23 02:52:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-23 02:52:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-23 02:52:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 02:52:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 02:52:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-23 02:52:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-23 02:52:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:52:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:52:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-23 02:52:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-23 02:52:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-23 02:52:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-23 02:52:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-23 02:52:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-23 02:52:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-23 02:52:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-23 02:52:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-23 02:52:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-23 02:52:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:52:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-23 02:52:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-23 02:52:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-23 02:52:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-23 02:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 02:52:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 02:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 02:52:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 02:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-23 02:52:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-23 02:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:52:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:52:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-23 02:52:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-23 02:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:52:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-23 02:52:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-23 02:52:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-23 02:52:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-23 02:52:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:52:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:52:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-23 02:52:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-23 02:52:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 02:52:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 02:52:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:52:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:52:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-23 02:52:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-23 02:52:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-23 02:52:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-23 02:52:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:52:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:52:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:52:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-23 02:52:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-23 02:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-23 02:52:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-23 02:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-23 02:52:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-23 02:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-23 02:52:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-23 02:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:52:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:52:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-23 02:52:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-23 02:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-23 02:52:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-23 02:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:52:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 02:52:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 02:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-23 02:52:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-23 02:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 02:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 02:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-23 02:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-23 02:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 02:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 02:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-23 02:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-23 02:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 02:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 02:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 02:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 02:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:52:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-23 02:52:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-23 02:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-23 02:52:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-23 02:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-23 02:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-23 02:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-23 02:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-23 02:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-23 02:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-23 02:52:56,720 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-23 02:52:56,727 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-23 02:52:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-23 02:52:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-23 02:52:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:52:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:52:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:52:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:52:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:52:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:52:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-23 02:52:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-23 02:52:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:52:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:52:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:52:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:52:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:52:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-23 02:52:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-23 02:52:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:52:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:52:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 02:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 02:52:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-23 02:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-23 02:52:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:52:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:52:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:52:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2021-11-23 02:52:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2021-11-23 02:52:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 02:52:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 02:52:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:52:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:52:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-23 02:52:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-23 02:52:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-23 02:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-23 02:52:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 02:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 02:52:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:52:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:52:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:52:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:52:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-23 02:52:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-23 02:52:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 02:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 02:52:56,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-23 02:52:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-23 02:52:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 02:52:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 02:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-23 02:52:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-23 02:52:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-23 02:52:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-23 02:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 02:52:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 02:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:52:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:52:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-23 02:52:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-23 02:52:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-23 02:52:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-23 02:52:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 02:52:56,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 02:52:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 02:52:56,756 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 02:52:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:52:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-23 02:52:56,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-23 02:52:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-23 02:52:56,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-23 02:52:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-23 02:52:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-23 02:52:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:52:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:52:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-23 02:52:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-23 02:52:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:52:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:52:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-23 02:52:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-23 02:52:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:52:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-23 02:52:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-23 02:52:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-23 02:52:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-23 02:52:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-23 02:52:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-23 02:52:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-23 02:52:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-23 02:52:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-23 02:52:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-23 02:52:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-23 02:52:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-23 02:52:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-23 02:52:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-23 02:52:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:52:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-23 02:52:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-23 02:52:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-23 02:52:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-23 02:52:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:52:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:52:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 02:52:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 02:52:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-23 02:52:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-23 02:52:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-23 02:52:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-23 02:52:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:52:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:52:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-23 02:52:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-23 02:52:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:52:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:52:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-23 02:52:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-23 02:52:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:52:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:52:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-23 02:52:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-23 02:52:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:52:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:52:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-23 02:52:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-23 02:52:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-23 02:52:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-23 02:52:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-23 02:52:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-23 02:52:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:52:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:52:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-23 02:52:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-23 02:52:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-23 02:52:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-23 02:52:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-23 02:52:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-23 02:52:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 02:52:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 02:52:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-23 02:52:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-23 02:52:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 02:52:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 02:52:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 02:52:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 02:52:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:52:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:52:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:52:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:52:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:52:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:52:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-23 02:52:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-23 02:52:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-23 02:52:56,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-23 02:52:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:52:56,781 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:52:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-23 02:52:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-23 02:52:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-23 02:52:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-23 02:52:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-23 02:52:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-23 02:52:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-23 02:52:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-23 02:52:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-23 02:52:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-23 02:52:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-23 02:52:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-23 02:52:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:52:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:52:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 02:52:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 02:52:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-23 02:52:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-23 02:52:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:52:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-23 02:52:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-23 02:52:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:52:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:52:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-23 02:52:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-23 02:52:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-23 02:52:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-23 02:52:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 02:52:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 02:52:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-23 02:52:56,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-23 02:52:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:52:56,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:52:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-23 02:52:56,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-23 02:52:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-23 02:52:56,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-23 02:52:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:52:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:52:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:52:56,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:52:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 02:52:56,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 02:52:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-23 02:52:56,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-23 02:52:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 02:52:56,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 02:52:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 02:52:56,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 02:52:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-23 02:52:56,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-23 02:52:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-23 02:52:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-23 02:52:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-23 02:52:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-23 02:52:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-23 02:52:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-23 02:52:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:52:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:52:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:52:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:52:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-23 02:52:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-23 02:52:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-23 02:52:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-23 02:52:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 02:52:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 02:52:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 02:52:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 02:52:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:52:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:52:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:52:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:52:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 02:52:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 02:52:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 02:52:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 02:52:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:52:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-23 02:52:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-23 02:52:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-23 02:52:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-23 02:52:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 02:52:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 02:52:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-23 02:52:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-23 02:52:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:52:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:52:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-23 02:52:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-23 02:52:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-23 02:52:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-23 02:52:58,748 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:52:58,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:52:59,132 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:55:44,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:55:53,139 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:55:53,140 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 02:55:53,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:53 BoogieIcfgContainer [2021-11-23 02:55:53,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:55:53,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:55:53,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:55:53,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:55:53,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:52:44" (1/3) ... [2021-11-23 02:55:53,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f38794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:53, skipping insertion in model container [2021-11-23 02:55:53,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:54" (2/3) ... [2021-11-23 02:55:53,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f38794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:53, skipping insertion in model container [2021-11-23 02:55:53,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:53" (3/3) ... [2021-11-23 02:55:53,159 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 02:55:53,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:55:53,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 02:55:53,248 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:55:53,256 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 [2021-11-23 02:55:53,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 02:55:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 4485 states, 2690 states have (on average 1.2847583643122678) internal successors, (3456), 2788 states have internal predecessors, (3456), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) [2021-11-23 02:55:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 02:55:53,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:55:53,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-23 02:55:53,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:55:53,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:55:53,422 INFO L85 PathProgramCache]: Analyzing trace with hash 903596430, now seen corresponding path program 1 times [2021-11-23 02:55:53,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:55:53,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817120027] [2021-11-23 02:55:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:55:53,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:55:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:55:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:55:54,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:55:54,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817120027] [2021-11-23 02:55:54,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817120027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:55:54,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:55:54,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:55:54,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057174315] [2021-11-23 02:55:54,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:55:54,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:55:54,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:55:54,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:55:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:55:54,705 INFO L87 Difference]: Start difference. First operand has 4485 states, 2690 states have (on average 1.2847583643122678) internal successors, (3456), 2788 states have internal predecessors, (3456), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:56:00,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:08,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:10,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:12,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:13,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:21,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:24,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:26,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:28,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:34,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:36,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:41,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:43,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:45,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:48,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:50,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:56:52,944 INFO L93 Difference]: Finished difference Result 13151 states and 19327 transitions. [2021-11-23 02:56:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:56:52,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2021-11-23 02:56:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:56:53,104 INFO L225 Difference]: With dead ends: 13151 [2021-11-23 02:56:53,104 INFO L226 Difference]: Without dead ends: 8663 [2021-11-23 02:56:53,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:56:53,190 INFO L933 BasicCegarLoop]: 7528 mSDtfsCounter, 6164 mSDsluCounter, 22908 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6173 SdHoareTripleChecker+Valid, 28396 SdHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:56:53,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6173 Valid, 28396 Invalid, 2758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2743 Invalid, 12 Unknown, 0 Unchecked, 57.1s Time] [2021-11-23 02:56:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8663 states. [2021-11-23 02:56:53,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8663 to 8619. [2021-11-23 02:56:54,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8619 states, 5174 states have (on average 1.2816003092385002) internal successors, (6631), 5353 states have internal predecessors, (6631), 2933 states have call successors, (2933), 511 states have call predecessors, (2933), 509 states have return successors, (3009), 2883 states have call predecessors, (3009), 2927 states have call successors, (3009) [2021-11-23 02:56:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8619 states to 8619 states and 12573 transitions. [2021-11-23 02:56:54,145 INFO L78 Accepts]: Start accepts. Automaton has 8619 states and 12573 transitions. Word has length 35 [2021-11-23 02:56:54,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:56:54,149 INFO L470 AbstractCegarLoop]: Abstraction has 8619 states and 12573 transitions. [2021-11-23 02:56:54,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:56:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 8619 states and 12573 transitions. [2021-11-23 02:56:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:56:54,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:56:54,155 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:56:54,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:56:54,156 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:56:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:56:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash 896776151, now seen corresponding path program 1 times [2021-11-23 02:56:54,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:56:54,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470504731] [2021-11-23 02:56:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:56:54,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:56:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:56:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:56:54,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:56:54,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470504731] [2021-11-23 02:56:54,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470504731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:56:54,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:56:54,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:56:54,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41834456] [2021-11-23 02:56:54,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:56:54,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:56:54,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:56:54,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:56:54,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:56:54,939 INFO L87 Difference]: Start difference. First operand 8619 states and 12573 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:57:02,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:09,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:10,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:11,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:14,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:15,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:18,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:23,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:26,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:28,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:30,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:33,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:37,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:41,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:44,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:46,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:48,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:50,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:52,745 INFO L93 Difference]: Finished difference Result 15510 states and 22519 transitions. [2021-11-23 02:57:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:57:52,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2021-11-23 02:57:52,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:53,092 INFO L225 Difference]: With dead ends: 15510 [2021-11-23 02:57:53,092 INFO L226 Difference]: Without dead ends: 15508 [2021-11-23 02:57:53,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:57:53,107 INFO L933 BasicCegarLoop]: 7070 mSDtfsCounter, 6172 mSDsluCounter, 21058 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6183 SdHoareTripleChecker+Valid, 26234 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:53,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6183 Valid, 26234 Invalid, 2573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2560 Invalid, 12 Unknown, 0 Unchecked, 57.0s Time] [2021-11-23 02:57:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15508 states. [2021-11-23 02:57:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15508 to 15498. [2021-11-23 02:57:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15498 states, 9334 states have (on average 1.280265695307478) internal successors, (11950), 9647 states have internal predecessors, (11950), 5218 states have call successors, (5218), 943 states have call predecessors, (5218), 943 states have return successors, (5340), 5136 states have call predecessors, (5340), 5212 states have call successors, (5340) [2021-11-23 02:57:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15498 states to 15498 states and 22508 transitions. [2021-11-23 02:57:54,127 INFO L78 Accepts]: Start accepts. Automaton has 15498 states and 22508 transitions. Word has length 40 [2021-11-23 02:57:54,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:54,128 INFO L470 AbstractCegarLoop]: Abstraction has 15498 states and 22508 transitions. [2021-11-23 02:57:54,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:57:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 15498 states and 22508 transitions. [2021-11-23 02:57:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:57:54,137 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:54,138 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:57:54,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:57:54,138 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:57:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:54,139 INFO L85 PathProgramCache]: Analyzing trace with hash -95459602, now seen corresponding path program 1 times [2021-11-23 02:57:54,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:54,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828938445] [2021-11-23 02:57:54,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:54,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 02:57:54,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:54,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828938445] [2021-11-23 02:57:54,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828938445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:54,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:54,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:57:54,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174060329] [2021-11-23 02:57:54,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:54,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:57:54,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:54,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:57:54,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:57:54,944 INFO L87 Difference]: Start difference. First operand 15498 states and 22508 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:58:01,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:03,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:05,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:08,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:10,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:12,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:14,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:16,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:20,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:24,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:27,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:37,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:40,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:42,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:44,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:46,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:48,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:48,966 INFO L93 Difference]: Finished difference Result 22666 states and 32886 transitions. [2021-11-23 02:58:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:58:48,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2021-11-23 02:58:48,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:49,299 INFO L225 Difference]: With dead ends: 22666 [2021-11-23 02:58:49,299 INFO L226 Difference]: Without dead ends: 22662 [2021-11-23 02:58:49,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:58:49,317 INFO L933 BasicCegarLoop]: 7148 mSDtfsCounter, 6171 mSDsluCounter, 21245 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6183 SdHoareTripleChecker+Valid, 26468 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:49,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6183 Valid, 26468 Invalid, 2621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2611 Invalid, 9 Unknown, 0 Unchecked, 53.2s Time] [2021-11-23 02:58:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22662 states. [2021-11-23 02:58:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22662 to 22655. [2021-11-23 02:58:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22655 states, 13664 states have (on average 1.2806645199063231) internal successors, (17499), 14116 states have internal predecessors, (17499), 7599 states have call successors, (7599), 1391 states have call predecessors, (7599), 1389 states have return successors, (7778), 7479 states have call predecessors, (7778), 7593 states have call successors, (7778) [2021-11-23 02:58:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22655 states to 22655 states and 32876 transitions. [2021-11-23 02:58:51,232 INFO L78 Accepts]: Start accepts. Automaton has 22655 states and 32876 transitions. Word has length 45 [2021-11-23 02:58:51,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:51,234 INFO L470 AbstractCegarLoop]: Abstraction has 22655 states and 32876 transitions. [2021-11-23 02:58:51,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:58:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 22655 states and 32876 transitions. [2021-11-23 02:58:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 02:58:51,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:51,238 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:51,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:58:51,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:58:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1228869169, now seen corresponding path program 1 times [2021-11-23 02:58:51,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:51,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666321563] [2021-11-23 02:58:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:51,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 02:58:51,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666321563] [2021-11-23 02:58:51,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666321563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:51,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:51,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:58:51,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297596204] [2021-11-23 02:58:51,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:51,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:58:51,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:51,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:58:51,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:58:51,941 INFO L87 Difference]: Start difference. First operand 22655 states and 32876 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 02:58:58,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:05,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:07,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:09,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:11,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:13,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:15,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:17,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:24,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:28,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:31,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:33,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:40,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:42,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:45,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:48,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:50,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:52,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:54,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:57,710 INFO L93 Difference]: Finished difference Result 22668 states and 32886 transitions. [2021-11-23 02:59:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:59:57,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2021-11-23 02:59:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:58,023 INFO L225 Difference]: With dead ends: 22668 [2021-11-23 02:59:58,023 INFO L226 Difference]: Without dead ends: 22626 [2021-11-23 02:59:58,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:59:58,040 INFO L933 BasicCegarLoop]: 7071 mSDtfsCounter, 6168 mSDsluCounter, 21064 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6177 SdHoareTripleChecker+Valid, 26237 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:58,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6177 Valid, 26237 Invalid, 2574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2561 Invalid, 12 Unknown, 0 Unchecked, 64.8s Time] [2021-11-23 02:59:58,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22626 states. [2021-11-23 02:59:59,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22626 to 22619. [2021-11-23 02:59:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22619 states, 13644 states have (on average 1.2807827616534742) internal successors, (17475), 14094 states have internal predecessors, (17475), 7589 states have call successors, (7589), 1384 states have call predecessors, (7589), 1383 states have return successors, (7771), 7472 states have call predecessors, (7771), 7586 states have call successors, (7771) [2021-11-23 02:59:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22619 states to 22619 states and 32835 transitions. [2021-11-23 02:59:59,904 INFO L78 Accepts]: Start accepts. Automaton has 22619 states and 32835 transitions. Word has length 56 [2021-11-23 02:59:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 22619 states and 32835 transitions. [2021-11-23 02:59:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 02:59:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 22619 states and 32835 transitions. [2021-11-23 02:59:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 02:59:59,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:59,911 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 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] [2021-11-23 02:59:59,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:59:59,912 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:59:59,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1711474028, now seen corresponding path program 1 times [2021-11-23 02:59:59,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:59,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306272092] [2021-11-23 02:59:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:59,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:00:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:00:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 03:00:00,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:00:00,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306272092] [2021-11-23 03:00:00,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306272092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:00:00,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:00:00,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:00:00,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259741196] [2021-11-23 03:00:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:00:00,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:00:00,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:00:00,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:00:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:00:00,922 INFO L87 Difference]: Start difference. First operand 22619 states and 32835 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:00:07,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:09,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:11,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:13,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:20,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:22,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:23,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:27,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:31,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:33,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:36,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:39,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:41,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:52,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:55,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:57,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:59,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:02,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:01:04,413 INFO L93 Difference]: Finished difference Result 30026 states and 43617 transitions. [2021-11-23 03:01:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:01:04,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2021-11-23 03:01:04,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:01:04,580 INFO L225 Difference]: With dead ends: 30026 [2021-11-23 03:01:04,580 INFO L226 Difference]: Without dead ends: 30024 [2021-11-23 03:01:04,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:01:04,600 INFO L933 BasicCegarLoop]: 7583 mSDtfsCounter, 6094 mSDsluCounter, 23029 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6100 SdHoareTripleChecker+Valid, 28537 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:01:04,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6100 Valid, 28537 Invalid, 2809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2794 Invalid, 13 Unknown, 0 Unchecked, 62.4s Time] [2021-11-23 03:01:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30024 states. [2021-11-23 03:01:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30024 to 29956. [2021-11-23 03:01:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29956 states, 18053 states have (on average 1.2796211156040547) internal successors, (23101), 18656 states have internal predecessors, (23101), 10071 states have call successors, (10071), 1838 states have call predecessors, (10071), 1829 states have return successors, (10362), 9897 states have call predecessors, (10362), 10068 states have call successors, (10362) [2021-11-23 03:01:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29956 states to 29956 states and 43534 transitions. [2021-11-23 03:01:06,838 INFO L78 Accepts]: Start accepts. Automaton has 29956 states and 43534 transitions. Word has length 99 [2021-11-23 03:01:06,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:01:06,841 INFO L470 AbstractCegarLoop]: Abstraction has 29956 states and 43534 transitions. [2021-11-23 03:01:06,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:01:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29956 states and 43534 transitions. [2021-11-23 03:01:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 03:01:06,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:01:06,846 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 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] [2021-11-23 03:01:06,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:01:06,846 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:01:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:01:06,848 INFO L85 PathProgramCache]: Analyzing trace with hash 536810963, now seen corresponding path program 1 times [2021-11-23 03:01:06,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:01:06,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302090635] [2021-11-23 03:01:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:01:06,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:01:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:01:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 03:01:07,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:01:07,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302090635] [2021-11-23 03:01:07,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302090635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:01:07,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:01:07,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:01:07,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169256419] [2021-11-23 03:01:07,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:01:07,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:01:07,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:01:07,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:01:07,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:01:07,815 INFO L87 Difference]: Start difference. First operand 29956 states and 43534 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:01:15,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:24,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:33,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:34,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:39,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:43,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:45,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:47,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:49,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:56,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:02,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:04,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:06,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:15,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:17,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:20,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:22,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:24,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:02:28,268 INFO L93 Difference]: Finished difference Result 40267 states and 58475 transitions. [2021-11-23 03:02:28,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:02:28,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2021-11-23 03:02:28,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:02:28,506 INFO L225 Difference]: With dead ends: 40267 [2021-11-23 03:02:28,506 INFO L226 Difference]: Without dead ends: 40265 [2021-11-23 03:02:28,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:02:28,539 INFO L933 BasicCegarLoop]: 10271 mSDtfsCounter, 5303 mSDsluCounter, 29228 mSDsCounter, 0 mSdLazyCounter, 4116 mSolverCounterSat, 0 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 36544 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4116 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:02:28,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5310 Valid, 36544 Invalid, 4131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4116 Invalid, 15 Unknown, 0 Unchecked, 79.0s Time] [2021-11-23 03:02:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40265 states. [2021-11-23 03:02:30,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40265 to 40215. [2021-11-23 03:02:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40215 states, 24257 states have (on average 1.2790122438883622) internal successors, (31025), 25048 states have internal predecessors, (31025), 13488 states have call successors, (13488), 2476 states have call predecessors, (13488), 2467 states have return successors, (13891), 13267 states have call predecessors, (13891), 13485 states have call successors, (13891) [2021-11-23 03:02:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40215 states to 40215 states and 58404 transitions. [2021-11-23 03:02:31,188 INFO L78 Accepts]: Start accepts. Automaton has 40215 states and 58404 transitions. Word has length 109 [2021-11-23 03:02:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:02:31,190 INFO L470 AbstractCegarLoop]: Abstraction has 40215 states and 58404 transitions. [2021-11-23 03:02:31,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:02:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 40215 states and 58404 transitions. [2021-11-23 03:02:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 03:02:31,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:02:31,215 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 03:02:31,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:02:31,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:02:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:02:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash -980917091, now seen corresponding path program 1 times [2021-11-23 03:02:31,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:02:31,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270034056] [2021-11-23 03:02:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:02:31,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:02:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:02:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 03:02:53,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:02:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270034056] [2021-11-23 03:02:53,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270034056] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:02:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669387594] [2021-11-23 03:02:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:02:53,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:02:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:02:53,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:02:53,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:02:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:02:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 7340 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 03:02:57,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:02:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-23 03:02:58,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:03:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 03:03:00,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669387594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:03:00,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [321532535] [2021-11-23 03:03:00,555 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2021-11-23 03:03:00,555 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:03:00,566 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 03:03:00,568 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 03:03:00,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2021-11-23 03:03:00,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027698935] [2021-11-23 03:03:00,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 03:03:00,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:03:00,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:00,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:03:00,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:03:00,572 INFO L87 Difference]: Start difference. First operand 40215 states and 58404 transitions. Second operand has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2021-11-23 03:03:19,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:36,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:39,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:42,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:44,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:46,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:47,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:49,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:50,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:52,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:53,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:03,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:05,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:06,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:09,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:15,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:18,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:34,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:37,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:40,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:42,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:45,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:04:48,855 INFO L93 Difference]: Finished difference Result 71242 states and 103235 transitions. [2021-11-23 03:04:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:04:48,856 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) Word has length 162 [2021-11-23 03:04:48,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:04:49,184 INFO L225 Difference]: With dead ends: 71242 [2021-11-23 03:04:49,185 INFO L226 Difference]: Without dead ends: 40213 [2021-11-23 03:04:49,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-11-23 03:04:49,687 INFO L933 BasicCegarLoop]: 5780 mSDtfsCounter, 12 mSDsluCounter, 57825 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 12 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 57756 SdHoareTripleChecker+Invalid, 6903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:04:49,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 57756 Invalid, 6903 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 6878 Invalid, 13 Unknown, 0 Unchecked, 106.2s Time] [2021-11-23 03:04:49,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40213 states. [2021-11-23 03:04:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40213 to 40213. [2021-11-23 03:04:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40213 states, 24256 states have (on average 1.2789825197889182) internal successors, (31023), 25047 states have internal predecessors, (31023), 13487 states have call successors, (13487), 2476 states have call predecessors, (13487), 2467 states have return successors, (13890), 13266 states have call predecessors, (13890), 13484 states have call successors, (13890) [2021-11-23 03:04:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40213 states to 40213 states and 58400 transitions. [2021-11-23 03:04:52,265 INFO L78 Accepts]: Start accepts. Automaton has 40213 states and 58400 transitions. Word has length 162 [2021-11-23 03:04:52,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:04:52,266 INFO L470 AbstractCegarLoop]: Abstraction has 40213 states and 58400 transitions. [2021-11-23 03:04:52,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2021-11-23 03:04:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 40213 states and 58400 transitions. [2021-11-23 03:04:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 03:04:52,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:04:52,296 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:04:52,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:04:52,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70d509d-f689-423d-a715-cbafd614f3ae/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-23 03:04:52,523 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:04:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:04:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1088785366, now seen corresponding path program 1 times [2021-11-23 03:04:52,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:04:52,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182198464] [2021-11-23 03:04:52,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:04:52,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:04:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:04:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-23 03:04:59,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:04:59,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182198464] [2021-11-23 03:04:59,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182198464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:04:59,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:04:59,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-23 03:04:59,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819021830] [2021-11-23 03:04:59,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:04:59,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:04:59,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:04:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:04:59,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:04:59,939 INFO L87 Difference]: Start difference. First operand 40213 states and 58400 transitions. Second operand has 14 states, 9 states have (on average 9.444444444444445) internal successors, (85), 11 states have internal predecessors, (85), 6 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-23 03:05:21,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []