./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:00:47,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:00:47,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:00:47,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:00:47,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:00:47,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:00:47,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:00:47,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:00:47,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:00:47,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:00:47,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:00:47,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:00:47,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:00:47,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:00:47,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:00:47,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:00:47,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:00:47,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:00:47,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:00:47,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:00:47,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:00:47,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:00:47,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:00:47,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:00:47,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:00:47,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:00:47,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:00:47,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:00:47,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:00:47,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:00:47,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:00:47,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:00:47,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:00:47,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:00:47,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:00:47,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:00:47,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:00:47,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:00:47,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:00:47,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:00:47,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:00:47,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:00:47,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:00:47,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:00:47,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:00:47,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:00:47,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:00:47,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:00:47,383 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:00:47,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:00:47,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:00:47,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:00:47,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:00:47,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:00:47,385 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:00:47,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:00:47,385 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:00:47,385 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:00:47,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:00:47,386 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:00:47,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:00:47,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:00:47,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:00:47,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:00:47,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:00:47,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:00:47,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:00:47,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:00:47,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:00:47,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:00:47,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:00:47,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:47,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:00:47,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:00:47,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:00:47,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:00:47,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:00:47,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:00:47,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:00:47,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:00:47,392 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-11-25 19:00:47,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:00:47,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:00:47,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:00:47,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:00:47,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:00:47,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 19:00:47,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/data/bbf7d2441/a388a92ca04c4cac880728ab6245637b/FLAG1716537e0 [2021-11-25 19:00:48,917 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:00:48,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 19:00:49,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/data/bbf7d2441/a388a92ca04c4cac880728ab6245637b/FLAG1716537e0 [2021-11-25 19:00:49,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/data/bbf7d2441/a388a92ca04c4cac880728ab6245637b [2021-11-25 19:00:49,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:00:49,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:00:49,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:49,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:00:49,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:00:49,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:49" (1/1) ... [2021-11-25 19:00:49,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0c6d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:49, skipping insertion in model container [2021-11-25 19:00:49,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:49" (1/1) ... [2021-11-25 19:00:49,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:00:49,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:00:56,362 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-25 19:00:56,366 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-25 19:00:56,366 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-25 19:00:56,367 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-25 19:00:56,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:56,551 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:00:57,310 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-25 19:00:57,310 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-25 19:00:57,311 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-25 19:00:57,311 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_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-25 19:00:57,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:57,847 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:00:57,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57 WrapperNode [2021-11-25 19:00:57,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:57,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:57,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:00:57,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:00:57,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:58,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:58,644 INFO L137 Inliner]: procedures = 722, calls = 8418, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16728 [2021-11-25 19:00:58,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:58,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:00:58,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:00:58,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:00:58,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:58,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:58,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:58,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:59,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:59,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:59,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:59,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:00:59,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:00:59,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:00:59,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:00:59,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (1/1) ... [2021-11-25 19:00:59,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:59,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:59,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:00:59,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:00:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 19:00:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 19:00:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-25 19:00:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-25 19:00:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-25 19:00:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-25 19:00:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-25 19:00:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-25 19:00:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 19:00:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 19:00:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 19:00:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 19:00:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-25 19:00:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-25 19:00:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:00:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:00:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:00:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:00:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 19:00:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 19:00:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-25 19:00:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-25 19:00:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-25 19:00:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-25 19:00:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 19:00:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 19:00:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-25 19:00:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-25 19:00:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-25 19:00:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-25 19:00:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:00:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:00:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-25 19:00:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-25 19:00:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-25 19:00:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-25 19:00:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-25 19:00:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-25 19:00:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-25 19:00:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-25 19:00:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-25 19:00:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-25 19:00:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-25 19:00:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-25 19:00:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 19:00:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 19:00:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-25 19:00:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-25 19:00:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-25 19:00:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-25 19:00:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:00:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:00:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 19:00:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 19:00:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:00:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:00:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-25 19:00:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-25 19:00:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 19:00:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 19:00:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-25 19:00:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-25 19:00:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 19:00:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 19:00:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-25 19:00:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-25 19:00:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:00:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:00:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-25 19:00:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-25 19:00:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-25 19:00:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-25 19:00:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-25 19:00:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-25 19:00:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-25 19:00:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-25 19:00:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-11-25 19:00:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-11-25 19:00:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:00:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:00:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:00:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:00:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:00:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 19:00:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 19:00:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 19:00:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 19:00:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 19:00:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 19:00:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:00:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:00:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 19:00:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 19:00:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-25 19:00:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-25 19:00:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 19:00:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 19:00:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:00:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-25 19:00:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-25 19:00:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-25 19:00:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-25 19:00:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 19:00:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 19:00:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 19:00:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 19:00:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-25 19:00:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-25 19:00:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 19:00:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 19:00:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-25 19:00:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-25 19:00:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:00:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:00:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:00:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:00:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:00:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 19:00:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 19:00:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 19:00:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-25 19:00:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-25 19:00:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-25 19:00:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-25 19:00:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:00:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:00:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-25 19:00:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-25 19:00:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:00:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:00:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-25 19:00:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-25 19:00:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:00:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:00:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:00:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-25 19:00:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-25 19:00:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-25 19:00:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-25 19:00:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-25 19:00:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-25 19:00:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-25 19:00:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-25 19:00:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:00:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:00:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:00:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-25 19:00:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-25 19:00:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:00:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:00:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-25 19:00:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-25 19:00:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:00:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:00:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-25 19:00:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-25 19:00:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-25 19:00:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-25 19:00:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-25 19:00:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-25 19:00:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 19:00:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 19:00:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 19:00:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 19:00:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-25 19:00:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-25 19:00:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-25 19:00:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-25 19:00:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:00:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:00:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-25 19:00:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-25 19:00:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 19:00:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 19:00:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-25 19:00:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-25 19:00:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-25 19:00:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-25 19:00:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:00:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:00:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-25 19:00:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-25 19:00:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-25 19:00:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-25 19:00:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-25 19:00:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-25 19:00:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 19:00:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 19:00:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-25 19:00:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-25 19:00:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:00:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:00:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-25 19:00:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-25 19:00:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-25 19:00:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-25 19:00:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-25 19:00:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-25 19:00:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-25 19:00:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-25 19:00:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-25 19:00:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-25 19:00:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:00:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-25 19:00:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-25 19:00:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 19:00:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 19:00:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-25 19:00:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:00:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:00:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:00:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 19:00:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-25 19:00:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-25 19:00:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-25 19:00:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-25 19:00:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:00:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:00:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-25 19:00:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-25 19:00:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 19:00:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 19:00:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:00:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:00:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-25 19:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-25 19:00:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-25 19:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-25 19:00:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:00:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 19:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 19:00:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-25 19:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-25 19:00:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-25 19:00:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-25 19:00:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-25 19:00:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-25 19:00:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-25 19:00:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-25 19:00:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 19:00:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 19:00:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:00:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:00:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-25 19:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-25 19:00:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-25 19:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-25 19:00:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 19:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 19:00:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 19:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 19:00:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-25 19:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-25 19:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 19:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 19:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-25 19:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 19:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 19:00:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:00:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:00:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-25 19:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-25 19:00:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-25 19:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-25 19:00:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 19:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 19:00:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-25 19:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-25 19:00:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-25 19:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-25 19:00:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-25 19:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-25 19:00:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-25 19:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-25 19:00:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 19:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-25 19:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:00:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:00:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:00:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:00:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-25 19:00:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-25 19:00:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:00:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:00:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 19:00:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 19:00:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-25 19:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-25 19:00:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:00:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 19:00:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2021-11-25 19:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2021-11-25 19:00:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 19:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 19:00:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 19:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 19:00:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:00:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-25 19:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-25 19:00:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-25 19:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-25 19:00:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 19:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 19:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-25 19:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-25 19:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 19:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 19:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-25 19:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-25 19:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 19:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 19:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-25 19:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-25 19:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-25 19:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-25 19:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 19:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 19:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 19:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 19:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-25 19:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-25 19:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-25 19:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-25 19:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 19:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 19:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 19:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-25 19:00:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-25 19:00:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-25 19:00:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 19:00:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 19:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-25 19:00:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 19:00:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-25 19:00:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-25 19:00:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-25 19:00:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-25 19:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-25 19:00:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-25 19:00:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-25 19:00:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-25 19:00:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-25 19:00:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-25 19:00:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-25 19:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-25 19:00:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-25 19:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:00:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 19:00:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 19:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-25 19:00:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-25 19:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-25 19:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-25 19:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 19:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-25 19:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 19:00:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-25 19:00:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:00:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-25 19:00:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 19:00:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-25 19:00:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-25 19:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-25 19:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-25 19:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-25 19:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 19:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-25 19:00:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 19:00:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 19:00:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 19:00:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:00:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 19:00:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 19:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-25 19:00:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-25 19:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-25 19:00:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-25 19:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:00:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-25 19:00:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-25 19:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-25 19:00:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-25 19:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-25 19:00:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-25 19:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-25 19:00:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-25 19:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-25 19:00:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-25 19:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-25 19:00:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-25 19:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:00:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 19:00:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 19:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-25 19:00:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-25 19:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-25 19:00:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-25 19:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:00:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-25 19:00:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-25 19:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-25 19:00:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-25 19:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 19:00:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 19:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-25 19:00:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-25 19:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:00:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-25 19:00:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-25 19:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-25 19:00:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-25 19:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 19:00:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 19:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 19:00:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 19:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 19:00:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 19:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-25 19:00:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-25 19:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 19:00:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 19:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 19:00:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 19:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-25 19:00:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-25 19:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-25 19:00:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-25 19:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-25 19:00:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-25 19:00:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-25 19:00:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-25 19:00:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:00:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:00:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:00:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:00:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-25 19:00:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-25 19:00:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 19:00:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 19:00:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 19:00:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 19:00:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 19:00:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 19:00:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:00:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:00:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:00:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:00:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 19:00:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:00:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-25 19:00:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-25 19:00:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 19:00:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 19:00:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-25 19:00:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-25 19:00:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:00:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:00:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-25 19:00:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-25 19:00:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-25 19:00:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-25 19:01:01,223 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:01:01,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:01:01,648 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:03:30,691 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:03:37,570 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:03:37,571 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 19:03:37,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:03:37 BoogieIcfgContainer [2021-11-25 19:03:37,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:03:37,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:03:37,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:03:37,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:03:37,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:00:49" (1/3) ... [2021-11-25 19:03:37,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb53de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:03:37, skipping insertion in model container [2021-11-25 19:03:37,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:57" (2/3) ... [2021-11-25 19:03:37,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb53de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:03:37, skipping insertion in model container [2021-11-25 19:03:37,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:03:37" (3/3) ... [2021-11-25 19:03:37,590 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 19:03:37,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:03:37,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 19:03:37,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:03:37,667 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 [2021-11-25 19:03:37,667 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 19:03:37,762 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) [2021-11-25 19:03:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 19:03:37,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:37,768 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] [2021-11-25 19:03:37,769 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)] === [2021-11-25 19:03:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash 903596430, now seen corresponding path program 1 times [2021-11-25 19:03:37,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:37,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745106969] [2021-11-25 19:03:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:37,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:03:38,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:38,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745106969] [2021-11-25 19:03:38,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745106969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:38,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:38,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:03:38,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119749362] [2021-11-25 19:03:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:38,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:03:38,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:38,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:03:38,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:38,824 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) [2021-11-25 19:03:44,769 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 [] [2021-11-25 19:03:52,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:54,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:59,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:03,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:08,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:13,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:17,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:19,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:22,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:24,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:26,577 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 [] [2021-11-25 19:04:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:28,739 INFO L93 Difference]: Finished difference Result 13150 states and 19327 transitions. [2021-11-25 19:04:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:04:28,742 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 [2021-11-25 19:04:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:28,863 INFO L225 Difference]: With dead ends: 13150 [2021-11-25 19:04:28,863 INFO L226 Difference]: Without dead ends: 8662 [2021-11-25 19:04:28,919 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 [2021-11-25 19:04:28,923 INFO L933 BasicCegarLoop]: 7528 mSDtfsCounter, 6161 mSDsluCounter, 22906 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 28396 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:28,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6172 Valid, 28396 Invalid, 2757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2745 Invalid, 9 Unknown, 0 Unchecked, 48.7s Time] [2021-11-25 19:04:28,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8662 states. [2021-11-25 19:04:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8662 to 8615. [2021-11-25 19:04:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8615 states, 5171 states have (on average 1.2817636820731) internal successors, (6628), 5351 states have internal predecessors, (6628), 2933 states have call successors, (2933), 511 states have call predecessors, (2933), 508 states have return successors, (3009), 2881 states have call predecessors, (3009), 2927 states have call successors, (3009) [2021-11-25 19:04:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8615 states to 8615 states and 12570 transitions. [2021-11-25 19:04:29,891 INFO L78 Accepts]: Start accepts. Automaton has 8615 states and 12570 transitions. Word has length 35 [2021-11-25 19:04:29,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:29,893 INFO L470 AbstractCegarLoop]: Abstraction has 8615 states and 12570 transitions. [2021-11-25 19:04:29,894 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) [2021-11-25 19:04:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 8615 states and 12570 transitions. [2021-11-25 19:04:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 19:04:29,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:29,899 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] [2021-11-25 19:04:29,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:04:29,899 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)] === [2021-11-25 19:04:29,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:29,902 INFO L85 PathProgramCache]: Analyzing trace with hash 896776151, now seen corresponding path program 1 times [2021-11-25 19:04:29,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:29,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767191456] [2021-11-25 19:04:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:29,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:04:30,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:30,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767191456] [2021-11-25 19:04:30,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767191456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:30,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:30,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:04:30,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585804940] [2021-11-25 19:04:30,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:30,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:04:30,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:30,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:04:30,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:04:30,548 INFO L87 Difference]: Start difference. First operand 8615 states and 12570 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) [2021-11-25 19:04:36,609 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 [] [2021-11-25 19:04:39,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:43,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:52,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:55,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:57,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:59,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:04,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:06,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:10,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:12,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:15,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:17,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:19,632 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 [] [2021-11-25 19:05:21,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:21,405 INFO L93 Difference]: Finished difference Result 15502 states and 22513 transitions. [2021-11-25 19:05:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:05:21,406 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 [2021-11-25 19:05:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:21,549 INFO L225 Difference]: With dead ends: 15502 [2021-11-25 19:05:21,550 INFO L226 Difference]: Without dead ends: 15500 [2021-11-25 19:05:21,567 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 [2021-11-25 19:05:21,569 INFO L933 BasicCegarLoop]: 7070 mSDtfsCounter, 6172 mSDsluCounter, 21060 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6183 SdHoareTripleChecker+Valid, 26234 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:21,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6183 Valid, 26234 Invalid, 2575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2564 Invalid, 10 Unknown, 0 Unchecked, 50.1s Time] [2021-11-25 19:05:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15500 states. [2021-11-25 19:05:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15500 to 15490. [2021-11-25 19:05:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15490 states, 9328 states have (on average 1.2804459691252144) internal successors, (11944), 9643 states have internal predecessors, (11944), 5218 states have call successors, (5218), 943 states have call predecessors, (5218), 941 states have return successors, (5340), 5132 states have call predecessors, (5340), 5212 states have call successors, (5340) [2021-11-25 19:05:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15490 states to 15490 states and 22502 transitions. [2021-11-25 19:05:23,223 INFO L78 Accepts]: Start accepts. Automaton has 15490 states and 22502 transitions. Word has length 40 [2021-11-25 19:05:23,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:23,224 INFO L470 AbstractCegarLoop]: Abstraction has 15490 states and 22502 transitions. [2021-11-25 19:05:23,225 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) [2021-11-25 19:05:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 15490 states and 22502 transitions. [2021-11-25 19:05:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:05:23,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:23,234 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] [2021-11-25 19:05:23,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:05:23,235 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)] === [2021-11-25 19:05:23,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:23,236 INFO L85 PathProgramCache]: Analyzing trace with hash -95459602, now seen corresponding path program 1 times [2021-11-25 19:05:23,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:23,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326328297] [2021-11-25 19:05:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:23,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 19:05:23,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:23,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326328297] [2021-11-25 19:05:23,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326328297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:23,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:23,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:05:23,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340720369] [2021-11-25 19:05:23,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:23,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:05:23,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:05:23,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:23,800 INFO L87 Difference]: Start difference. First operand 15490 states and 22502 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) [2021-11-25 19:05:29,597 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 [] [2021-11-25 19:05:31,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:36,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:44,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:47,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:50,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:53,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:57,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:00,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:03,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:05,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:07,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:09,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:11,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:11,993 INFO L93 Difference]: Finished difference Result 15507 states and 22516 transitions. [2021-11-25 19:06:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:06:11,994 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 [2021-11-25 19:06:11,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:12,183 INFO L225 Difference]: With dead ends: 15507 [2021-11-25 19:06:12,183 INFO L226 Difference]: Without dead ends: 15503 [2021-11-25 19:06:12,191 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 [2021-11-25 19:06:12,192 INFO L933 BasicCegarLoop]: 7066 mSDtfsCounter, 6172 mSDsluCounter, 21048 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6182 SdHoareTripleChecker+Valid, 26222 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:12,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6182 Valid, 26222 Invalid, 2570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2561 Invalid, 8 Unknown, 0 Unchecked, 47.6s Time] [2021-11-25 19:06:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15503 states. [2021-11-25 19:06:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15503 to 15496. [2021-11-25 19:06:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15496 states, 9333 states have (on average 1.2801885781635058) internal successors, (11948), 9647 states have internal predecessors, (11948), 5218 states have call successors, (5218), 945 states have call predecessors, (5218), 942 states have return successors, (5340), 5132 states have call predecessors, (5340), 5212 states have call successors, (5340) [2021-11-25 19:06:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15496 states to 15496 states and 22506 transitions. [2021-11-25 19:06:13,156 INFO L78 Accepts]: Start accepts. Automaton has 15496 states and 22506 transitions. Word has length 45 [2021-11-25 19:06:13,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:13,157 INFO L470 AbstractCegarLoop]: Abstraction has 15496 states and 22506 transitions. [2021-11-25 19:06:13,158 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) [2021-11-25 19:06:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15496 states and 22506 transitions. [2021-11-25 19:06:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 19:06:13,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:13,161 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 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, 1, 1, 1, 1, 1] [2021-11-25 19:06:13,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:06:13,161 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)] === [2021-11-25 19:06:13,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:13,162 INFO L85 PathProgramCache]: Analyzing trace with hash -842684937, now seen corresponding path program 1 times [2021-11-25 19:06:13,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:13,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887840813] [2021-11-25 19:06:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:13,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-25 19:06:13,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:13,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887840813] [2021-11-25 19:06:13,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887840813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:13,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:13,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:06:13,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89833837] [2021-11-25 19:06:13,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:13,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:06:13,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:13,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:06:13,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:06:13,741 INFO L87 Difference]: Start difference. First operand 15496 states and 22506 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:06:19,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:31,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:34,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:38,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:47,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:49,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:51,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:54,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:56,263 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 [] [2021-11-25 19:06:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:57,818 INFO L93 Difference]: Finished difference Result 22656 states and 32877 transitions. [2021-11-25 19:06:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:06:57,824 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2021-11-25 19:06:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:57,985 INFO L225 Difference]: With dead ends: 22656 [2021-11-25 19:06:57,985 INFO L226 Difference]: Without dead ends: 22614 [2021-11-25 19:06:58,005 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 [2021-11-25 19:06:58,008 INFO L933 BasicCegarLoop]: 7149 mSDtfsCounter, 6171 mSDsluCounter, 21247 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6182 SdHoareTripleChecker+Valid, 26471 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:58,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6182 Valid, 26471 Invalid, 2618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2609 Invalid, 8 Unknown, 0 Unchecked, 43.2s Time] [2021-11-25 19:06:58,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22614 states. [2021-11-25 19:06:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22614 to 22607. [2021-11-25 19:06:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 13635 states have (on average 1.280968096809681) internal successors, (17466), 14088 states have internal predecessors, (17466), 7589 states have call successors, (7589), 1384 states have call predecessors, (7589), 1380 states have return successors, (7771), 7466 states have call predecessors, (7771), 7586 states have call successors, (7771) [2021-11-25 19:06:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 32826 transitions. [2021-11-25 19:06:59,656 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 32826 transitions. Word has length 50 [2021-11-25 19:06:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:59,656 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 32826 transitions. [2021-11-25 19:06:59,657 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:06:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 32826 transitions. [2021-11-25 19:06:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 19:06:59,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:59,661 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] [2021-11-25 19:06:59,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:06:59,662 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)] === [2021-11-25 19:06:59,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1711474028, now seen corresponding path program 1 times [2021-11-25 19:06:59,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:59,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549697563] [2021-11-25 19:06:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:59,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-25 19:07:00,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:00,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549697563] [2021-11-25 19:07:00,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549697563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:00,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:00,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:07:00,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409652767] [2021-11-25 19:07:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:00,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:07:00,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:07:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:07:00,301 INFO L87 Difference]: Start difference. First operand 22607 states and 32826 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) [2021-11-25 19:07:06,681 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 [] [2021-11-25 19:07:15,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:20,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:24,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:26,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:29,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:30,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:32,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:41,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:44,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:46,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:49,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:51,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:53,165 INFO L93 Difference]: Finished difference Result 22730 states and 32975 transitions. [2021-11-25 19:07:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:07:53,165 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 [2021-11-25 19:07:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:53,292 INFO L225 Difference]: With dead ends: 22730 [2021-11-25 19:07:53,292 INFO L226 Difference]: Without dead ends: 22728 [2021-11-25 19:07:53,306 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 [2021-11-25 19:07:53,307 INFO L933 BasicCegarLoop]: 7490 mSDtfsCounter, 6095 mSDsluCounter, 22807 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6101 SdHoareTripleChecker+Valid, 28258 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:53,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6101 Valid, 28258 Invalid, 2753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2742 Invalid, 9 Unknown, 0 Unchecked, 51.8s Time] [2021-11-25 19:07:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22728 states. [2021-11-25 19:07:54,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22728 to 22660. [2021-11-25 19:07:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22660 states, 13663 states have (on average 1.280392300373271) internal successors, (17494), 14122 states have internal predecessors, (17494), 7608 states have call successors, (7608), 1396 states have call predecessors, (7608), 1386 states have return successors, (7790), 7473 states have call predecessors, (7790), 7605 states have call successors, (7790) [2021-11-25 19:07:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22660 states to 22660 states and 32892 transitions. [2021-11-25 19:07:54,730 INFO L78 Accepts]: Start accepts. Automaton has 22660 states and 32892 transitions. Word has length 99 [2021-11-25 19:07:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:54,732 INFO L470 AbstractCegarLoop]: Abstraction has 22660 states and 32892 transitions. [2021-11-25 19:07:54,733 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) [2021-11-25 19:07:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22660 states and 32892 transitions. [2021-11-25 19:07:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 19:07:54,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:54,737 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] [2021-11-25 19:07:54,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:07:54,738 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)] === [2021-11-25 19:07:54,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:54,739 INFO L85 PathProgramCache]: Analyzing trace with hash 536810963, now seen corresponding path program 1 times [2021-11-25 19:07:54,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:54,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589601674] [2021-11-25 19:07:54,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:54,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-25 19:07:55,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:55,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589601674] [2021-11-25 19:07:55,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589601674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:55,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:55,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:07:55,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659647760] [2021-11-25 19:07:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:55,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:07:55,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:07:55,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:07:55,433 INFO L87 Difference]: Start difference. First operand 22660 states and 32892 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) [2021-11-25 19:08:03,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:12,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:21,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:27,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:30,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:35,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:39,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:42,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:49,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:52,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:54,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:56,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:59,277 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 [] [2021-11-25 19:09:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:01,959 INFO L93 Difference]: Finished difference Result 32971 states and 47833 transitions. [2021-11-25 19:09:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:09:01,960 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 [2021-11-25 19:09:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:02,173 INFO L225 Difference]: With dead ends: 32971 [2021-11-25 19:09:02,174 INFO L226 Difference]: Without dead ends: 32969 [2021-11-25 19:09:02,200 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 [2021-11-25 19:09:02,203 INFO L933 BasicCegarLoop]: 10271 mSDtfsCounter, 5305 mSDsluCounter, 29230 mSDsCounter, 0 mSdLazyCounter, 4125 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5311 SdHoareTripleChecker+Valid, 36544 SdHoareTripleChecker+Invalid, 4133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4125 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:02,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5311 Valid, 36544 Invalid, 4133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4125 Invalid, 8 Unknown, 0 Unchecked, 65.3s Time] [2021-11-25 19:09:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32969 states. [2021-11-25 19:09:03,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32969 to 32919. [2021-11-25 19:09:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32919 states, 19867 states have (on average 1.2794080636230936) internal successors, (25418), 20514 states have internal predecessors, (25418), 11025 states have call successors, (11025), 2034 states have call predecessors, (11025), 2024 states have return successors, (11319), 10843 states have call predecessors, (11319), 11022 states have call successors, (11319) [2021-11-25 19:09:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32919 states to 32919 states and 47762 transitions. [2021-11-25 19:09:03,990 INFO L78 Accepts]: Start accepts. Automaton has 32919 states and 47762 transitions. Word has length 109 [2021-11-25 19:09:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:03,990 INFO L470 AbstractCegarLoop]: Abstraction has 32919 states and 47762 transitions. [2021-11-25 19:09:03,990 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) [2021-11-25 19:09:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32919 states and 47762 transitions. [2021-11-25 19:09:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 19:09:04,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:04,009 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] [2021-11-25 19:09:04,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:09:04,009 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)] === [2021-11-25 19:09:04,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:04,010 INFO L85 PathProgramCache]: Analyzing trace with hash -980917091, now seen corresponding path program 1 times [2021-11-25 19:09:04,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:04,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528146711] [2021-11-25 19:09:04,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:04,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-25 19:09:22,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:22,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528146711] [2021-11-25 19:09:22,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528146711] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:09:22,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693303143] [2021-11-25 19:09:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:22,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:09:22,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:09:22,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:09:22,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:09:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:25,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 7545 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 19:09:25,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:09:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-25 19:09:26,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:09:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-25 19:09:27,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693303143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:09:27,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [761863734] [2021-11-25 19:09:27,921 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2021-11-25 19:09:27,921 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:09:27,929 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) [2021-11-25 19:09:27,931 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:09:27,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2021-11-25 19:09:27,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801761870] [2021-11-25 19:09:27,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:09:27,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:09:27,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:27,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:09:27,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:09:27,936 INFO L87 Difference]: Start difference. First operand 32919 states and 47762 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) [2021-11-25 19:09:44,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:46,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:00,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:03,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:08,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:09,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:15,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:17,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:21,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:24,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:29,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:30,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:32,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:35,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:37,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:49,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:51,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:54,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:57,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:10:59,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:11:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:11:03,009 INFO L93 Difference]: Finished difference Result 63946 states and 92593 transitions. [2021-11-25 19:11:03,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:11:03,010 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 [2021-11-25 19:11:03,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:11:03,175 INFO L225 Difference]: With dead ends: 63946 [2021-11-25 19:11:03,175 INFO L226 Difference]: Without dead ends: 32917 [2021-11-25 19:11:03,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-11-25 19:11:03,410 INFO L933 BasicCegarLoop]: 5780 mSDtfsCounter, 13 mSDsluCounter, 51399 mSDsCounter, 0 mSdLazyCounter, 6195 mSolverCounterSat, 12 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 51980 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 6195 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:11:03,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 51980 Invalid, 6216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 6195 Invalid, 9 Unknown, 0 Unchecked, 93.1s Time] [2021-11-25 19:11:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32917 states. [2021-11-25 19:11:04,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32917 to 32917. [2021-11-25 19:11:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32917 states, 19866 states have (on average 1.279371790999698) internal successors, (25416), 20513 states have internal predecessors, (25416), 11024 states have call successors, (11024), 2034 states have call predecessors, (11024), 2024 states have return successors, (11318), 10842 states have call predecessors, (11318), 11021 states have call successors, (11318) [2021-11-25 19:11:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32917 states to 32917 states and 47758 transitions. [2021-11-25 19:11:05,092 INFO L78 Accepts]: Start accepts. Automaton has 32917 states and 47758 transitions. Word has length 162 [2021-11-25 19:11:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:11:05,092 INFO L470 AbstractCegarLoop]: Abstraction has 32917 states and 47758 transitions. [2021-11-25 19:11:05,092 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) [2021-11-25 19:11:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32917 states and 47758 transitions. [2021-11-25 19:11:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-25 19:11:05,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:11:05,108 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] [2021-11-25 19:11:05,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:11:05,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:05,330 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)] === [2021-11-25 19:11:05,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:11:05,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1088785366, now seen corresponding path program 1 times [2021-11-25 19:11:05,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:11:05,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636538596] [2021-11-25 19:11:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:05,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:11:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 19:11:09,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:11:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636538596] [2021-11-25 19:11:09,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636538596] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:11:09,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087243864] [2021-11-25 19:11:09,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:09,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:11:09,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:11:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:11:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:12,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 7804 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 19:11:12,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:11:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-25 19:11:14,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:11:14,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087243864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:11:14,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:11:14,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2021-11-25 19:11:14,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777205433] [2021-11-25 19:11:14,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:11:14,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:11:14,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:11:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:11:14,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-11-25 19:11:14,476 INFO L87 Difference]: Start difference. First operand 32917 states and 47758 transitions. Second operand has 13 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) [2021-11-25 19:11:34,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:11:52,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:11:57,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:11:59,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:01,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:03,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:05,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:07,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:11,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:17,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:19,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:21,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:24,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:26,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:28,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:30,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:32,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:42,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:45,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:49,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:12:56,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:11,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:13,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:17,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:20,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:22,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:13:26,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:13:26,608 INFO L93 Difference]: Finished difference Result 66157 states and 96045 transitions. [2021-11-25 19:13:26,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:13:26,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) Word has length 203 [2021-11-25 19:13:26,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:13:26,773 INFO L225 Difference]: With dead ends: 66157 [2021-11-25 19:13:26,774 INFO L226 Difference]: Without dead ends: 33252 [2021-11-25 19:13:27,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:13:27,105 INFO L933 BasicCegarLoop]: 5973 mSDtfsCounter, 137 mSDsluCounter, 72995 mSDsCounter, 0 mSdLazyCounter, 8843 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 71440 SdHoareTripleChecker+Invalid, 8858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8843 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:13:27,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 71440 Invalid, 8858 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 8843 Invalid, 13 Unknown, 0 Unchecked, 130.0s Time] [2021-11-25 19:13:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33252 states. [2021-11-25 19:13:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33252 to 32935. [2021-11-25 19:13:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32935 states, 19877 states have (on average 1.2792171856920058) internal successors, (25427), 20525 states have internal predecessors, (25427), 11028 states have call successors, (11028), 2034 states have call predecessors, (11028), 2027 states have return successors, (11325), 10848 states have call predecessors, (11325), 11025 states have call successors, (11325) [2021-11-25 19:13:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32935 states to 32935 states and 47780 transitions. [2021-11-25 19:13:29,949 INFO L78 Accepts]: Start accepts. Automaton has 32935 states and 47780 transitions. Word has length 203 [2021-11-25 19:13:29,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:13:29,951 INFO L470 AbstractCegarLoop]: Abstraction has 32935 states and 47780 transitions. [2021-11-25 19:13:29,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) [2021-11-25 19:13:29,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32935 states and 47780 transitions. [2021-11-25 19:13:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-25 19:13:29,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:13:29,969 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:13:30,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:13:30,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-25 19:13:30,182 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-11-25 19:13:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:13:30,186 INFO L85 PathProgramCache]: Analyzing trace with hash 986577329, now seen corresponding path program 1 times [2021-11-25 19:13:30,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:13:30,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012672443] [2021-11-25 19:13:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:13:30,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:13:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:13:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-25 19:13:35,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:13:35,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012672443] [2021-11-25 19:13:35,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012672443] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:13:35,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011930143] [2021-11-25 19:13:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:13:35,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:13:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:13:35,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:13:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bc12fe-5a08-4ce5-870b-7cd0328f2c35/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:13:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:13:38,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 7866 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 19:13:38,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:13:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-25 19:13:40,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:13:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-25 19:13:43,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011930143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:13:43,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [480036612] [2021-11-25 19:13:43,525 INFO L159 IcfgInterpreter]: Started Sifa with 129 locations of interest [2021-11-25 19:13:43,525 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:13:43,526 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) [2021-11-25 19:13:43,526 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:13:43,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 15 [2021-11-25 19:13:43,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036536647] [2021-11-25 19:13:43,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:13:43,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:13:43,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:13:43,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:13:43,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:13:43,529 INFO L87 Difference]: Start difference. First operand 32935 states and 47780 transitions. Second operand has 15 states, 10 states have (on average 11.2) internal successors, (112), 13 states have internal predecessors, (112), 6 states have call successors, (70), 2 states have call predecessors, (70), 5 states have return successors, (65), 6 states have call predecessors, (65), 6 states have call successors, (65)