./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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/config/AutomizerReach.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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:06:03,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:06:03,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:06:03,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:06:03,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:06:03,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:06:03,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:06:03,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:06:03,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:06:03,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:06:03,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:06:03,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:06:03,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:06:03,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:06:03,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:06:03,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:06:03,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:06:03,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:06:03,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:06:03,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:06:03,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:06:03,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:06:03,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:06:03,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:06:03,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:06:03,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:06:03,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:06:03,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:06:03,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:06:03,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:06:03,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:06:03,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:06:03,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:06:03,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:06:03,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:06:03,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:06:03,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:06:03,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:06:03,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:06:03,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:06:03,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:06:03,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:06:03,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:06:03,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:06:03,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:06:03,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:06:03,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:06:03,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:06:03,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:06:03,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:06:03,236 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:06:03,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:06:03,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:06:03,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:06:03,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:06:03,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:06:03,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:06:03,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:06:03,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:06:03,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-12-07 00:06:03,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:06:03,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:06:03,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:06:03,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:06:03,435 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:06:03,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-12-07 00:06:03,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/data/a8bc75c19/e80f6dc1a11942abae498646dffa4e10/FLAG1c713bcdf [2021-12-07 00:06:04,202 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:06:04,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-12-07 00:06:04,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/data/a8bc75c19/e80f6dc1a11942abae498646dffa4e10/FLAG1c713bcdf [2021-12-07 00:06:04,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/data/a8bc75c19/e80f6dc1a11942abae498646dffa4e10 [2021-12-07 00:06:04,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:06:04,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:06:04,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:06:04,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:06:04,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:06:04,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a897718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04, skipping insertion in model container [2021-12-07 00:06:04,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:06:04,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:06:09,801 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-12-07 00:06:09,803 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-12-07 00:06:09,803 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-12-07 00:06:09,804 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-12-07 00:06:09,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:09,896 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:06:10,473 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-12-07 00:06:10,474 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-12-07 00:06:10,474 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-12-07 00:06:10,475 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_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-12-07 00:06:10,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:10,819 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:06:10,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10 WrapperNode [2021-12-07 00:06:10,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:06:10,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:10,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:06:10,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:06:10,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:10,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,238 INFO L137 Inliner]: procedures = 722, calls = 8418, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16728 [2021-12-07 00:06:11,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:11,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:06:11,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:06:11,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:06:11,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:06:11,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:06:11,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:06:11,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:06:11,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (1/1) ... [2021-12-07 00:06:11,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:06:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:11,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:11,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:06:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 00:06:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 00:06:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-12-07 00:06:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-12-07 00:06:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-12-07 00:06:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-12-07 00:06:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-12-07 00:06:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-12-07 00:06:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-07 00:06:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-07 00:06:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-12-07 00:06:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-12-07 00:06:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-12-07 00:06:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-07 00:06:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-12-07 00:06:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-12-07 00:06:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:06:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-12-07 00:06:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-12-07 00:06:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-12-07 00:06:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-12-07 00:06:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-07 00:06:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-07 00:06:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-12-07 00:06:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-12-07 00:06:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-12-07 00:06:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-12-07 00:06:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-12-07 00:06:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-12-07 00:06:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 00:06:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 00:06:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-12-07 00:06:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-12-07 00:06:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-12-07 00:06:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-12-07 00:06:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:06:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:06:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-07 00:06:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-07 00:06:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:06:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:06:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-12-07 00:06:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-12-07 00:06:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-12-07 00:06:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-12-07 00:06:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-12-07 00:06:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-12-07 00:06:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-07 00:06:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-07 00:06:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-07 00:06:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-07 00:06:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 00:06:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 00:06:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-12-07 00:06:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-12-07 00:06:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-12-07 00:06:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-12-07 00:06:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-12-07 00:06:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-12-07 00:06:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-07 00:06:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-07 00:06:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-12-07 00:06:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-12-07 00:06:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-07 00:06:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 00:06:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 00:06:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 00:06:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 00:06:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:06:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:06:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:06:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:06:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 00:06:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 00:06:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 00:06:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 00:06:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-07 00:06:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-07 00:06:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-07 00:06:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 00:06:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-12-07 00:06:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-12-07 00:06:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-07 00:06:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-07 00:06:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-07 00:06:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-07 00:06:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-12-07 00:06:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-12-07 00:06:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 00:06:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 00:06:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-12-07 00:06:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-12-07 00:06:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 00:06:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 00:06:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:06:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:06:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 00:06:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 00:06:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-07 00:06:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-07 00:06:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:06:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-07 00:06:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-07 00:06:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-07 00:06:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-07 00:06:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-12-07 00:06:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-12-07 00:06:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-12-07 00:06:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-12-07 00:06:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-12-07 00:06:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-12-07 00:06:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:06:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-12-07 00:06:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 00:06:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-12-07 00:06:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-12-07 00:06:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-07 00:06:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-07 00:06:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-12-07 00:06:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-12-07 00:06:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-12-07 00:06:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-12-07 00:06:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-12-07 00:06:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-12-07 00:06:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 00:06:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 00:06:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-12-07 00:06:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-12-07 00:06:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:06:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:06:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-07 00:06:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-07 00:06:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-12-07 00:06:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-12-07 00:06:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-07 00:06:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-07 00:06:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 00:06:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-12-07 00:06:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 00:06:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:06:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:06:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-07 00:06:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:06:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:06:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-12-07 00:06:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-12-07 00:06:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-12-07 00:06:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-12-07 00:06:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 00:06:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 00:06:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 00:06:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 00:06:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-12-07 00:06:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-12-07 00:06:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-07 00:06:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-07 00:06:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-12-07 00:06:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-12-07 00:06:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-12-07 00:06:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-12-07 00:06:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 00:06:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 00:06:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:06:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:06:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-12-07 00:06:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-12-07 00:06:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-12-07 00:06:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-12-07 00:06:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-07 00:06:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-07 00:06:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 00:06:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 00:06:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-12-07 00:06:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-12-07 00:06:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-07 00:06:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-07 00:06:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-07 00:06:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-07 00:06:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-12-07 00:06:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-12-07 00:06:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:06:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:06:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-12-07 00:06:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:06:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 00:06:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 00:06:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-12-07 00:06:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-07 00:06:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-12-07 00:06:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-12-07 00:06:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-12-07 00:06:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-12-07 00:06:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 00:06:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 00:06:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-12-07 00:06:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-12-07 00:06:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:06:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:06:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-12-07 00:06:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-12-07 00:06:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:06:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-12-07 00:06:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-12-07 00:06:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-12-07 00:06:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-12-07 00:06:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-12-07 00:06:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-12-07 00:06:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-07 00:06:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-12-07 00:06:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-12-07 00:06:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-12-07 00:06:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-12-07 00:06:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-12-07 00:06:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-12-07 00:06:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-12-07 00:06:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:06:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:06:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-07 00:06:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-07 00:06:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-12-07 00:06:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-12-07 00:06:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-12-07 00:06:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-12-07 00:06:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 00:06:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 00:06:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-12-07 00:06:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-12-07 00:06:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 00:06:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 00:06:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-12-07 00:06:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-12-07 00:06:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:06:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:06:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-12-07 00:06:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-12-07 00:06:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 00:06:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 00:06:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-12-07 00:06:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-12-07 00:06:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-12-07 00:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-12-07 00:06:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 00:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 00:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-12-07 00:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-12-07 00:06:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-12-07 00:06:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 00:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-07 00:06:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-12-07 00:06:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-12-07 00:06:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-12-07 00:06:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-12-07 00:06:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-12-07 00:06:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-12-07 00:06:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 00:06:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 00:06:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:06:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:06:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-12-07 00:06:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-07 00:06:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-07 00:06:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 00:06:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 00:06:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:06:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:06:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 00:06:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 00:06:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-12-07 00:06:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-12-07 00:06:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-12-07 00:06:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-12-07 00:06:12,884 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:06:12,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:06:13,110 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:08:35,598 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:08:35,631 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:08:35,632 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-07 00:08:35,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:35 BoogieIcfgContainer [2021-12-07 00:08:35,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:08:35,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:08:35,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:08:35,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:08:35,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:06:04" (1/3) ... [2021-12-07 00:08:35,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4361ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:35, skipping insertion in model container [2021-12-07 00:08:35,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:10" (2/3) ... [2021-12-07 00:08:35,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4361ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:35, skipping insertion in model container [2021-12-07 00:08:35,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:35" (3/3) ... [2021-12-07 00:08:35,643 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-12-07 00:08:35,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:08:35,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-07 00:08:35,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:08:35,702 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=PETRI_NET, 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 [2021-12-07 00:08:35,702 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-07 00:08:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 5707 states, 3912 states have (on average 1.3093047034764826) internal successors, (5122), 4010 states have internal predecessors, (5122), 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) [2021-12-07 00:08:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 00:08:35,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:35,793 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2021-12-07 00:08:35,794 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)] === [2021-12-07 00:08:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1649579530, now seen corresponding path program 1 times [2021-12-07 00:08:35,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:35,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937282437] [2021-12-07 00:08:35,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:35,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:08:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:08:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:08:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:08:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:08:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 00:08:36,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:36,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937282437] [2021-12-07 00:08:36,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937282437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:36,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:36,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:08:36,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710437212] [2021-12-07 00:08:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:36,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:08:36,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:08:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:08:36,642 INFO L87 Difference]: Start difference. First operand has 5707 states, 3912 states have (on average 1.3093047034764826) internal successors, (5122), 4010 states have internal predecessors, (5122), 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 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-12-07 00:08:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:37,619 INFO L93 Difference]: Finished difference Result 16252 states and 23528 transitions. [2021-12-07 00:08:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:08:37,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 48 [2021-12-07 00:08:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:37,733 INFO L225 Difference]: With dead ends: 16252 [2021-12-07 00:08:37,733 INFO L226 Difference]: Without dead ends: 10555 [2021-12-07 00:08:37,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:08:37,788 INFO L933 BasicCegarLoop]: 9794 mSDtfsCounter, 7996 mSDsluCounter, 26686 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8000 SdHoareTripleChecker+Valid, 36480 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:37,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8000 Valid, 36480 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 00:08:37,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10555 states. [2021-12-07 00:08:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10555 to 10517. [2021-12-07 00:08:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10517 states, 7244 states have (on average 1.3065985643291) internal successors, (9465), 7406 states have internal predecessors, (9465), 2780 states have call successors, (2780), 491 states have call predecessors, (2780), 490 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-12-07 00:08:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10517 states to 10517 states and 15052 transitions. [2021-12-07 00:08:38,396 INFO L78 Accepts]: Start accepts. Automaton has 10517 states and 15052 transitions. Word has length 48 [2021-12-07 00:08:38,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:38,397 INFO L470 AbstractCegarLoop]: Abstraction has 10517 states and 15052 transitions. [2021-12-07 00:08:38,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-12-07 00:08:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10517 states and 15052 transitions. [2021-12-07 00:08:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-07 00:08:38,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:38,400 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:38,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:08:38,401 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)] === [2021-12-07 00:08:38,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992273, now seen corresponding path program 1 times [2021-12-07 00:08:38,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:38,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266823187] [2021-12-07 00:08:38,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:38,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:08:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:08:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:08:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:08:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:08:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:08:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 00:08:38,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:38,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266823187] [2021-12-07 00:08:38,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266823187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:38,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:38,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:08:38,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281036450] [2021-12-07 00:08:38,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:38,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:08:38,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:38,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:08:38,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:08:38,901 INFO L87 Difference]: Start difference. First operand 10517 states and 15052 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:39,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:39,696 INFO L93 Difference]: Finished difference Result 10523 states and 15057 transitions. [2021-12-07 00:08:39,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:08:39,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 53 [2021-12-07 00:08:39,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:39,777 INFO L225 Difference]: With dead ends: 10523 [2021-12-07 00:08:39,777 INFO L226 Difference]: Without dead ends: 10521 [2021-12-07 00:08:39,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:08:39,785 INFO L933 BasicCegarLoop]: 8094 mSDtfsCounter, 8074 mSDsluCounter, 16177 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 24271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:39,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8076 Valid, 24271 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 00:08:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10521 states. [2021-12-07 00:08:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10521 to 10521. [2021-12-07 00:08:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10521 states, 7247 states have (on average 1.3064716434386643) internal successors, (9468), 7409 states have internal predecessors, (9468), 2780 states have call successors, (2780), 492 states have call predecessors, (2780), 491 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-12-07 00:08:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10521 states to 10521 states and 15055 transitions. [2021-12-07 00:08:40,265 INFO L78 Accepts]: Start accepts. Automaton has 10521 states and 15055 transitions. Word has length 53 [2021-12-07 00:08:40,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:40,265 INFO L470 AbstractCegarLoop]: Abstraction has 10521 states and 15055 transitions. [2021-12-07 00:08:40,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 10521 states and 15055 transitions. [2021-12-07 00:08:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-07 00:08:40,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:40,269 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-07 00:08:40,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:08:40,269 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)] === [2021-12-07 00:08:40,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:40,270 INFO L85 PathProgramCache]: Analyzing trace with hash -41835178, now seen corresponding path program 1 times [2021-12-07 00:08:40,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:40,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832448344] [2021-12-07 00:08:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:40,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:08:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:08:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:08:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:08:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:08:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:08:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:08:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:08:40,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:40,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832448344] [2021-12-07 00:08:40,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832448344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:40,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:40,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:08:40,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817788176] [2021-12-07 00:08:40,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:40,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:08:40,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:08:40,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:08:40,699 INFO L87 Difference]: Start difference. First operand 10521 states and 15055 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:41,285 INFO L93 Difference]: Finished difference Result 10527 states and 15060 transitions. [2021-12-07 00:08:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:08:41,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 58 [2021-12-07 00:08:41,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:41,357 INFO L225 Difference]: With dead ends: 10527 [2021-12-07 00:08:41,357 INFO L226 Difference]: Without dead ends: 10523 [2021-12-07 00:08:41,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:08:41,368 INFO L933 BasicCegarLoop]: 8094 mSDtfsCounter, 8074 mSDsluCounter, 16177 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8075 SdHoareTripleChecker+Valid, 24271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:41,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8075 Valid, 24271 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:08:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10523 states. [2021-12-07 00:08:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10523 to 10523. [2021-12-07 00:08:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10523 states, 7249 states have (on average 1.306249137812112) internal successors, (9469), 7410 states have internal predecessors, (9469), 2780 states have call successors, (2780), 493 states have call predecessors, (2780), 491 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-12-07 00:08:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10523 states to 10523 states and 15056 transitions. [2021-12-07 00:08:41,872 INFO L78 Accepts]: Start accepts. Automaton has 10523 states and 15056 transitions. Word has length 58 [2021-12-07 00:08:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:41,873 INFO L470 AbstractCegarLoop]: Abstraction has 10523 states and 15056 transitions. [2021-12-07 00:08:41,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10523 states and 15056 transitions. [2021-12-07 00:08:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-07 00:08:41,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:41,875 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:41,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:08:41,875 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)] === [2021-12-07 00:08:41,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:41,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2009213071, now seen corresponding path program 1 times [2021-12-07 00:08:41,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:41,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089832904] [2021-12-07 00:08:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:41,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:08:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:08:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:08:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:08:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:08:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:08:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:08:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:08:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:08:42,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:42,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089832904] [2021-12-07 00:08:42,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089832904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:42,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:42,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:08:42,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195320898] [2021-12-07 00:08:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:42,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:08:42,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:42,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:08:42,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:08:42,285 INFO L87 Difference]: Start difference. First operand 10523 states and 15056 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:42,837 INFO L93 Difference]: Finished difference Result 10523 states and 15056 transitions. [2021-12-07 00:08:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:08:42,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 63 [2021-12-07 00:08:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:42,884 INFO L225 Difference]: With dead ends: 10523 [2021-12-07 00:08:42,884 INFO L226 Difference]: Without dead ends: 10490 [2021-12-07 00:08:42,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:08:42,895 INFO L933 BasicCegarLoop]: 8092 mSDtfsCounter, 8070 mSDsluCounter, 16176 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8070 SdHoareTripleChecker+Valid, 24268 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:42,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8070 Valid, 24268 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 00:08:42,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10490 states. [2021-12-07 00:08:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10490 to 10490. [2021-12-07 00:08:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10490 states, 7227 states have (on average 1.306766293067663) internal successors, (9444), 7386 states have internal predecessors, (9444), 2773 states have call successors, (2773), 488 states have call predecessors, (2773), 488 states have return successors, (2803), 2736 states have call predecessors, (2803), 2773 states have call successors, (2803) [2021-12-07 00:08:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10490 states to 10490 states and 15020 transitions. [2021-12-07 00:08:43,328 INFO L78 Accepts]: Start accepts. Automaton has 10490 states and 15020 transitions. Word has length 63 [2021-12-07 00:08:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:43,328 INFO L470 AbstractCegarLoop]: Abstraction has 10490 states and 15020 transitions. [2021-12-07 00:08:43,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-07 00:08:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 10490 states and 15020 transitions. [2021-12-07 00:08:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-07 00:08:43,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:43,332 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:43,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:08:43,332 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)] === [2021-12-07 00:08:43,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash -782808096, now seen corresponding path program 1 times [2021-12-07 00:08:43,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:43,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603616902] [2021-12-07 00:08:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:43,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:08:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:08:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:08:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:08:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:08:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:08:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:08:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:08:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:08:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:08:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 00:08:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-07 00:08:44,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:44,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603616902] [2021-12-07 00:08:44,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603616902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:44,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:44,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:08:44,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617182714] [2021-12-07 00:08:44,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:44,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:08:44,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:44,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:08:44,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:08:44,077 INFO L87 Difference]: Start difference. First operand 10490 states and 15020 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 00:09:11,610 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 [] [2021-12-07 00:09:15,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:34,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:36,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:38,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:45,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:49,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:09:55,953 INFO L93 Difference]: Finished difference Result 12425 states and 18027 transitions. [2021-12-07 00:09:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:09:55,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 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 123 [2021-12-07 00:09:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:09:56,018 INFO L225 Difference]: With dead ends: 12425 [2021-12-07 00:09:56,019 INFO L226 Difference]: Without dead ends: 12423 [2021-12-07 00:09:56,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:09:56,030 INFO L933 BasicCegarLoop]: 8856 mSDtfsCounter, 11856 mSDsluCounter, 23167 mSDsCounter, 0 mSdLazyCounter, 11526 mSolverCounterSat, 5506 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13247 SdHoareTripleChecker+Valid, 32023 SdHoareTripleChecker+Invalid, 17039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5506 IncrementalHoareTripleChecker+Valid, 11526 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:09:56,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13247 Valid, 32023 Invalid, 17039 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5506 Valid, 11526 Invalid, 7 Unknown, 0 Unchecked, 70.5s Time] [2021-12-07 00:09:56,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2021-12-07 00:09:56,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 10887. [2021-12-07 00:09:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10887 states, 7493 states have (on average 1.3034832510342986) internal successors, (9767), 7666 states have internal predecessors, (9767), 2872 states have call successors, (2872), 500 states have call predecessors, (2872), 520 states have return successors, (2996), 2841 states have call predecessors, (2996), 2872 states have call successors, (2996) [2021-12-07 00:09:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10887 states to 10887 states and 15635 transitions. [2021-12-07 00:09:56,556 INFO L78 Accepts]: Start accepts. Automaton has 10887 states and 15635 transitions. Word has length 123 [2021-12-07 00:09:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:09:56,557 INFO L470 AbstractCegarLoop]: Abstraction has 10887 states and 15635 transitions. [2021-12-07 00:09:56,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 00:09:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10887 states and 15635 transitions. [2021-12-07 00:09:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-07 00:09:56,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:09:56,559 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:09:56,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:09:56,560 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)] === [2021-12-07 00:09:56,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:56,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2091536990, now seen corresponding path program 1 times [2021-12-07 00:09:56,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:56,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896597133] [2021-12-07 00:09:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:56,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:09:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:09:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:09:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:09:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:09:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:09:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:09:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:09:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:09:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:09:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 00:09:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:09:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-07 00:09:57,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:57,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896597133] [2021-12-07 00:09:57,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896597133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:57,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:57,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:09:57,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915098564] [2021-12-07 00:09:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:57,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:09:57,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:09:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:09:57,263 INFO L87 Difference]: Start difference. First operand 10887 states and 15635 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 00:11:12,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:22,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:24,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:27,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:29,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:31,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:33,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:36,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:38,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:47,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:53,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:02,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:04,511 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 [] [2021-12-07 00:13:28,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:28,124 INFO L93 Difference]: Finished difference Result 16267 states and 23704 transitions. [2021-12-07 00:13:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:13:28,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 5 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 134 [2021-12-07 00:13:28,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:28,194 INFO L225 Difference]: With dead ends: 16267 [2021-12-07 00:13:28,194 INFO L226 Difference]: Without dead ends: 16265 [2021-12-07 00:13:28,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:13:28,204 INFO L933 BasicCegarLoop]: 12082 mSDtfsCounter, 14089 mSDsluCounter, 16977 mSDsCounter, 0 mSdLazyCounter, 35177 mSolverCounterSat, 10754 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 190.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15055 SdHoareTripleChecker+Valid, 29059 SdHoareTripleChecker+Invalid, 45944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10754 IncrementalHoareTripleChecker+Valid, 35177 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:28,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15055 Valid, 29059 Invalid, 45944 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10754 Valid, 35177 Invalid, 13 Unknown, 0 Unchecked, 208.4s Time] [2021-12-07 00:13:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16265 states. [2021-12-07 00:13:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16265 to 13940. [2021-12-07 00:13:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13940 states, 9554 states have (on average 1.3051078082478542) internal successors, (12469), 9765 states have internal predecessors, (12469), 3735 states have call successors, (3735), 633 states have call predecessors, (3735), 649 states have return successors, (3810), 3697 states have call predecessors, (3810), 3735 states have call successors, (3810) [2021-12-07 00:13:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13940 states to 13940 states and 20014 transitions. [2021-12-07 00:13:28,847 INFO L78 Accepts]: Start accepts. Automaton has 13940 states and 20014 transitions. Word has length 134 [2021-12-07 00:13:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:28,848 INFO L470 AbstractCegarLoop]: Abstraction has 13940 states and 20014 transitions. [2021-12-07 00:13:28,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 00:13:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 13940 states and 20014 transitions. [2021-12-07 00:13:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-07 00:13:28,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:28,858 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 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, 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] [2021-12-07 00:13:28,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:13:28,858 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)] === [2021-12-07 00:13:28,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash -479110592, now seen corresponding path program 1 times [2021-12-07 00:13:28,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:28,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439395220] [2021-12-07 00:13:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:28,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:13:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:13:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:13:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:13:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:13:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:13:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:13:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:13:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:13:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:13:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:13:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:13:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:13:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:13:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:13:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 00:13:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:13:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 00:13:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:13:29,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:29,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439395220] [2021-12-07 00:13:29,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439395220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:29,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:29,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:13:29,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586691308] [2021-12-07 00:13:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:29,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:13:29,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:29,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:13:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:13:29,458 INFO L87 Difference]: Start difference. First operand 13940 states and 20014 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:14:02,746 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 [] [2021-12-07 00:14:26,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:28,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:31,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:33,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:35,855 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 [] [2021-12-07 00:14:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:14:47,879 INFO L93 Difference]: Finished difference Result 30141 states and 43772 transitions. [2021-12-07 00:14:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:14:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 207 [2021-12-07 00:14:47,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:14:47,969 INFO L225 Difference]: With dead ends: 30141 [2021-12-07 00:14:47,969 INFO L226 Difference]: Without dead ends: 16220 [2021-12-07 00:14:48,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:14:48,045 INFO L933 BasicCegarLoop]: 7044 mSDtfsCounter, 8539 mSDsluCounter, 6269 mSDsCounter, 0 mSdLazyCounter, 10510 mSolverCounterSat, 5691 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9507 SdHoareTripleChecker+Valid, 13313 SdHoareTripleChecker+Invalid, 16207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5691 IncrementalHoareTripleChecker+Valid, 10510 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:14:48,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9507 Valid, 13313 Invalid, 16207 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5691 Valid, 10510 Invalid, 6 Unknown, 0 Unchecked, 77.0s Time] [2021-12-07 00:14:48,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16220 states. [2021-12-07 00:14:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16220 to 13942. [2021-12-07 00:14:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13942 states, 9556 states have (on average 1.3050439514441188) internal successors, (12471), 9767 states have internal predecessors, (12471), 3735 states have call successors, (3735), 633 states have call predecessors, (3735), 649 states have return successors, (3810), 3697 states have call predecessors, (3810), 3735 states have call successors, (3810) [2021-12-07 00:14:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13942 states to 13942 states and 20016 transitions. [2021-12-07 00:14:48,703 INFO L78 Accepts]: Start accepts. Automaton has 13942 states and 20016 transitions. Word has length 207 [2021-12-07 00:14:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:14:48,703 INFO L470 AbstractCegarLoop]: Abstraction has 13942 states and 20016 transitions. [2021-12-07 00:14:48,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:14:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 13942 states and 20016 transitions. [2021-12-07 00:14:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-07 00:14:48,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:14:48,717 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 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, 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] [2021-12-07 00:14:48,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:14:48,717 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)] === [2021-12-07 00:14:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash 907092802, now seen corresponding path program 1 times [2021-12-07 00:14:48,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:48,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700069924] [2021-12-07 00:14:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:48,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:14:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:14:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:14:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:14:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:14:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:14:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:14:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:14:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:14:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:14:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:14:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:14:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:14:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:14:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:14:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 00:14:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:14:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 00:14:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:14:49,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:49,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700069924] [2021-12-07 00:14:49,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700069924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:49,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:49,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:14:49,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391244854] [2021-12-07 00:14:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:49,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:14:49,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:49,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:14:49,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:14:49,313 INFO L87 Difference]: Start difference. First operand 13942 states and 20016 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:15:37,952 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 [] [2021-12-07 00:16:13,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:16,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:18,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:20,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:22,937 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 [] [2021-12-07 00:16:38,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:16:38,962 INFO L93 Difference]: Finished difference Result 30149 states and 43780 transitions. [2021-12-07 00:16:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:16:38,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 207 [2021-12-07 00:16:38,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:16:39,024 INFO L225 Difference]: With dead ends: 30149 [2021-12-07 00:16:39,024 INFO L226 Difference]: Without dead ends: 16226 [2021-12-07 00:16:39,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:16:39,070 INFO L933 BasicCegarLoop]: 7036 mSDtfsCounter, 8545 mSDsluCounter, 9964 mSDsCounter, 0 mSdLazyCounter, 15717 mSolverCounterSat, 5646 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9511 SdHoareTripleChecker+Valid, 17000 SdHoareTripleChecker+Invalid, 21369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5646 IncrementalHoareTripleChecker+Valid, 15717 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:16:39,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9511 Valid, 17000 Invalid, 21369 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5646 Valid, 15717 Invalid, 6 Unknown, 0 Unchecked, 107.8s Time] [2021-12-07 00:16:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16226 states. [2021-12-07 00:16:39,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16226 to 13946. [2021-12-07 00:16:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13946 states, 9560 states have (on average 1.3049163179916319) internal successors, (12475), 9771 states have internal predecessors, (12475), 3735 states have call successors, (3735), 633 states have call predecessors, (3735), 649 states have return successors, (3810), 3697 states have call predecessors, (3810), 3735 states have call successors, (3810) [2021-12-07 00:16:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13946 states to 13946 states and 20020 transitions. [2021-12-07 00:16:39,683 INFO L78 Accepts]: Start accepts. Automaton has 13946 states and 20020 transitions. Word has length 207 [2021-12-07 00:16:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:16:39,684 INFO L470 AbstractCegarLoop]: Abstraction has 13946 states and 20020 transitions. [2021-12-07 00:16:39,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:16:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 13946 states and 20020 transitions. [2021-12-07 00:16:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-07 00:16:39,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:16:39,694 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 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, 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] [2021-12-07 00:16:39,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:16:39,694 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)] === [2021-12-07 00:16:39,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:16:39,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1608692676, now seen corresponding path program 1 times [2021-12-07 00:16:39,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:16:39,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629117258] [2021-12-07 00:16:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:16:39,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:16:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:16:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:16:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:16:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:16:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:16:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:16:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:16:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:16:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:16:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:16:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:16:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:16:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:16:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:16:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:16:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 00:16:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:16:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 00:16:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:16:40,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:16:40,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629117258] [2021-12-07 00:16:40,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629117258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:16:40,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:16:40,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:16:40,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986448218] [2021-12-07 00:16:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:16:40,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:16:40,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:16:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:16:40,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:16:40,209 INFO L87 Difference]: Start difference. First operand 13946 states and 20020 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-07 00:17:15,634 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 [] [2021-12-07 00:17:43,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:45,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:48,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:50,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:52,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:54,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:59,751 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 [] [2021-12-07 00:18:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:18:09,295 INFO L93 Difference]: Finished difference Result 30159 states and 43815 transitions. [2021-12-07 00:18:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:18:09,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 207 [2021-12-07 00:18:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:18:09,359 INFO L225 Difference]: With dead ends: 30159 [2021-12-07 00:18:09,359 INFO L226 Difference]: Without dead ends: 16232 [2021-12-07 00:18:09,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:18:09,404 INFO L933 BasicCegarLoop]: 7035 mSDtfsCounter, 8552 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 10523 mSolverCounterSat, 5678 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9519 SdHoareTripleChecker+Valid, 13303 SdHoareTripleChecker+Invalid, 16209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5678 IncrementalHoareTripleChecker+Valid, 10523 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:18:09,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9519 Valid, 13303 Invalid, 16209 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5678 Valid, 10523 Invalid, 8 Unknown, 0 Unchecked, 87.5s Time] [2021-12-07 00:18:09,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16232 states. [2021-12-07 00:18:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16232 to 13948. [2021-12-07 00:18:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13948 states, 9562 states have (on average 1.3048525413093495) internal successors, (12477), 9773 states have internal predecessors, (12477), 3735 states have call successors, (3735), 633 states have call predecessors, (3735), 649 states have return successors, (3810), 3697 states have call predecessors, (3810), 3735 states have call successors, (3810) [2021-12-07 00:18:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13948 states to 13948 states and 20022 transitions. [2021-12-07 00:18:10,019 INFO L78 Accepts]: Start accepts. Automaton has 13948 states and 20022 transitions. Word has length 207 [2021-12-07 00:18:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:18:10,020 INFO L470 AbstractCegarLoop]: Abstraction has 13948 states and 20022 transitions. [2021-12-07 00:18:10,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-07 00:18:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 13948 states and 20022 transitions. [2021-12-07 00:18:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-07 00:18:10,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:18:10,031 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 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, 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, 1, 1, 1] [2021-12-07 00:18:10,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:18:10,031 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-07 00:18:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:18:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1751509827, now seen corresponding path program 1 times [2021-12-07 00:18:10,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:18:10,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036828231] [2021-12-07 00:18:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:18:10,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:18:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 00:18:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:18:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:18:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 00:18:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 00:18:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:18:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 00:18:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:18:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:18:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:18:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:18:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:18:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:18:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:18:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:18:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:18:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:18:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:18:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:18:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 00:18:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:18:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 00:18:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:18:10,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:18:10,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036828231] [2021-12-07 00:18:10,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036828231] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:18:10,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638594635] [2021-12-07 00:18:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:18:10,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:18:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:18:10,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:18:10,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0915bc-bd14-4fd0-86ab-ce45ecae6ba8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:18:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:11,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 7486 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:18:11,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:18:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:18:12,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:18:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 00:18:12,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638594635] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:18:12,586 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:18:12,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-12-07 00:18:12,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122559921] [2021-12-07 00:18:12,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:18:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:18:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:18:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:18:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:18:12,588 INFO L87 Difference]: Start difference. First operand 13948 states and 20022 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-07 00:19:07,143 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 []