./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:22:53,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:54,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:22:54,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:54,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:54,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:54,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:54,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:54,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:54,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:54,123 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:54,124 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:54,125 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:54,126 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:22:54,126 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:54,127 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:54,127 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:22:54,128 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:22:54,128 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:54,128 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:22:54,129 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:22:54,129 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:22:54,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:54,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:54,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:22:54,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:54,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:54,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:54,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:54,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:54,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:54,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:54,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:54,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:54,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:54,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:54,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:54,136 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:22:54,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:22:54,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:54,137 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:54,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:54,137 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2023-11-19 05:22:54,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:54,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:54,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:54,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:54,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:54,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:22:57,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:22:58,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:22:58,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:22:58,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/data/a891ce619/177c8ce8eb1d432a8f370b41e4f1afa9/FLAG7c0b83e70 [2023-11-19 05:22:58,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/data/a891ce619/177c8ce8eb1d432a8f370b41e4f1afa9 [2023-11-19 05:22:58,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:22:58,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:22:58,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:58,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:22:58,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:22:58,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:58" (1/1) ... [2023-11-19 05:22:58,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f70a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:58, skipping insertion in model container [2023-11-19 05:22:58,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:58" (1/1) ... [2023-11-19 05:22:58,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:02,422 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-19 05:23:02,427 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-19 05:23:02,428 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-19 05:23:02,428 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-19 05:23:02,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:02,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:02,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6715] [2023-11-19 05:23:02,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6722] [2023-11-19 05:23:02,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/cfg80211.h"), "i" (3014), "i" (12UL)); [6951-6952] [2023-11-19 05:23:03,105 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-19 05:23:03,106 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-19 05:23:03,106 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-19 05:23:03,107 WARN L240 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_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-19 05:23:03,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:03,394 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:23:03,403 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:03,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03 WrapperNode [2023-11-19 05:23:03,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:03,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:03,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:03,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:03,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:03,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,011 INFO L138 Inliner]: procedures = 410, calls = 4685, calls flagged for inlining = 227, calls inlined = 201, statements flattened = 9771 [2023-11-19 05:23:04,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:04,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:04,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:04,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:04,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:04,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:04,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:04,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:04,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (1/1) ... [2023-11-19 05:23:04,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:04,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:04,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd151bf-69fe-4fe0-b4b6-d21ac38c8a65/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-19 05:23:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-19 05:23:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-19 05:23:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-19 05:23:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-19 05:23:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-19 05:23:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-19 05:23:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-19 05:23:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:23:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:23:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-19 05:23:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-19 05:23:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-19 05:23:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-19 05:23:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:23:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:23:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-19 05:23:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-19 05:23:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-19 05:23:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-19 05:23:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-19 05:23:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-19 05:23:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 05:23:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 05:23:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-19 05:23:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-19 05:23:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 05:23:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 05:23:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:23:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-19 05:23:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-19 05:23:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-19 05:23:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-19 05:23:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-19 05:23:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-19 05:23:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:23:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:23:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-19 05:23:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-19 05:23:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:23:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:23:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:23:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:23:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:23:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:23:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:23:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-19 05:23:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-19 05:23:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-19 05:23:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-19 05:23:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-19 05:23:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-19 05:23:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 05:23:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 05:23:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:23:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:23:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-19 05:23:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-19 05:23:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-19 05:23:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-19 05:23:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 05:23:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 05:23:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-19 05:23:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-19 05:23:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-19 05:23:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-19 05:23:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:23:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-19 05:23:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-19 05:23:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-19 05:23:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-19 05:23:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:23:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:23:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:23:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-19 05:23:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-19 05:23:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-19 05:23:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-19 05:23:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:23:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-19 05:23:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-19 05:23:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:23:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:23:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:23:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:23:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-19 05:23:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-19 05:23:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-19 05:23:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-19 05:23:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-19 05:23:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-19 05:23:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-19 05:23:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-19 05:23:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:23:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-19 05:23:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-19 05:23:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-19 05:23:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-19 05:23:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:23:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:23:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-19 05:23:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-19 05:23:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:23:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:23:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-19 05:23:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-19 05:23:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:23:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:23:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-19 05:23:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-19 05:23:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:23:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-19 05:23:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-19 05:23:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-19 05:23:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-19 05:23:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:23:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:23:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-19 05:23:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-19 05:23:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-19 05:23:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-19 05:23:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 05:23:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 05:23:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-19 05:23:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-19 05:23:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 05:23:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 05:23:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:23:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:23:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:23:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:23:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:23:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:23:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:23:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:23:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:23:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:23:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-19 05:23:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-19 05:23:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-19 05:23:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-19 05:23:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-19 05:23:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-19 05:23:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:23:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:23:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-19 05:23:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-19 05:23:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 05:23:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 05:23:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-19 05:23:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-19 05:23:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-19 05:23:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-19 05:23:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-19 05:23:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-19 05:23:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-19 05:23:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-19 05:23:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:23:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:23:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:23:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:23:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:23:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:23:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:23:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:23:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:23:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-19 05:23:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-19 05:23:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-19 05:23:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-19 05:23:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-19 05:23:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:23:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 05:23:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-19 05:23:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:23:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-19 05:23:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:23:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-19 05:23:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-19 05:23:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:23:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:23:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 05:23:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 05:23:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-19 05:23:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-19 05:23:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 05:23:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 05:23:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:23:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:23:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-19 05:23:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-19 05:23:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:23:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:23:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 05:23:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 05:23:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-19 05:23:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-19 05:23:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:23:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:23:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:23:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:23:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-19 05:23:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-19 05:23:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-19 05:23:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-19 05:23:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-19 05:23:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:23:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-19 05:23:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-19 05:23:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-19 05:23:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-19 05:23:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-19 05:23:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-19 05:23:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:23:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:23:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-19 05:23:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-19 05:23:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:23:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:23:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 05:23:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 05:23:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-19 05:23:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-19 05:23:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-19 05:23:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-19 05:23:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-19 05:23:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-19 05:23:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-19 05:23:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 05:23:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 05:23:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-19 05:23:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-19 05:23:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:23:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:23:06,021 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:06,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:06,596 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:23:29,044 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:23:29,534 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:31,825 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:31,825 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:31,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:31 BoogieIcfgContainer [2023-11-19 05:23:31,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:31,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:31,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:31,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:31,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:58" (1/3) ... [2023-11-19 05:23:31,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cfe14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:31, skipping insertion in model container [2023-11-19 05:23:31,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:03" (2/3) ... [2023-11-19 05:23:31,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cfe14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:31, skipping insertion in model container [2023-11-19 05:23:31,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:31" (3/3) ... [2023-11-19 05:23:31,864 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:23:31,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:31,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:23:32,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:32,020 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@230a6ad7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:32,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:23:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) [2023-11-19 05:23:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-11-19 05:23:32,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:32,093 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1] [2023-11-19 05:23:32,093 INFO L420 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 05:23:32,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash -189828609, now seen corresponding path program 1 times [2023-11-19 05:23:32,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:32,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149243384] [2023-11-19 05:23:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:32,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-19 05:23:33,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:33,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149243384] [2023-11-19 05:23:33,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149243384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:33,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:33,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:23:33,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128720118] [2023-11-19 05:23:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:33,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:33,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:33,941 INFO L87 Difference]: Start difference. First operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-19 05:23:37,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:41,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:43,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:44,138 INFO L93 Difference]: Finished difference Result 6826 states and 10325 transitions. [2023-11-19 05:23:44,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:44,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2023-11-19 05:23:44,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:44,195 INFO L225 Difference]: With dead ends: 6826 [2023-11-19 05:23:44,196 INFO L226 Difference]: Without dead ends: 4535 [2023-11-19 05:23:44,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:44,242 INFO L413 NwaCegarLoop]: 3063 mSDtfsCounter, 3255 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:44,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3255 Valid, 6076 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 814 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2023-11-19 05:23:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2023-11-19 05:23:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4531. [2023-11-19 05:23:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4531 states, 2818 states have (on average 1.3126330731014904) internal successors, (3699), 2825 states have internal predecessors, (3699), 1476 states have call successors, (1476), 235 states have call predecessors, (1476), 234 states have return successors, (1472), 1472 states have call predecessors, (1472), 1472 states have call successors, (1472) [2023-11-19 05:23:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 4531 states and 6647 transitions. [2023-11-19 05:23:44,721 INFO L78 Accepts]: Start accepts. Automaton has 4531 states and 6647 transitions. Word has length 384 [2023-11-19 05:23:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:44,727 INFO L495 AbstractCegarLoop]: Abstraction has 4531 states and 6647 transitions. [2023-11-19 05:23:44,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-19 05:23:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4531 states and 6647 transitions. [2023-11-19 05:23:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-11-19 05:23:44,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:44,748 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:44,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:23:44,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 05:23:44,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:44,750 INFO L85 PathProgramCache]: Analyzing trace with hash -971332516, now seen corresponding path program 1 times [2023-11-19 05:23:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:44,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140990242] [2023-11-19 05:23:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5118 trivial. 0 not checked. [2023-11-19 05:23:45,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:45,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140990242] [2023-11-19 05:23:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140990242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:45,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:45,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:23:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428559422] [2023-11-19 05:23:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:45,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:45,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:45,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:45,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,703 INFO L87 Difference]: Start difference. First operand 4531 states and 6647 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42)