./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP --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 3999042d9cc74b4d3f513a03b2b33730a93b6921729afd52c1fac5c320bfa594 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:37:50,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:37:50,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:37:50,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:37:50,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:37:50,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:37:50,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:37:50,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:37:50,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:37:50,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:37:50,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:37:50,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:37:50,972 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:37:50,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:37:50,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:37:50,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:37:50,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:37:50,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:37:50,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:37:50,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:37:50,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:37:50,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:37:50,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:37:50,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:37:50,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:37:50,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:50,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:37:50,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:37:50,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:37:50,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:37:50,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:37:50,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:37:50,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:37:50,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:37:50,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:37:50,984 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:37:50,984 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3999042d9cc74b4d3f513a03b2b33730a93b6921729afd52c1fac5c320bfa594 [2023-11-06 22:37:51,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:37:51,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:37:51,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:37:51,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:37:51,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:37:51,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2023-11-06 22:37:54,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:37:55,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:37:55,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2023-11-06 22:37:55,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/data/ab0cfc4ba/6d2b7dc294d94e8a89c82f5e34a37ea4/FLAG8be5afef3 [2023-11-06 22:37:55,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/data/ab0cfc4ba/6d2b7dc294d94e8a89c82f5e34a37ea4 [2023-11-06 22:37:55,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:37:55,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:37:55,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:55,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:37:55,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:37:55,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:55" (1/1) ... [2023-11-06 22:37:55,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbb6192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:55, skipping insertion in model container [2023-11-06 22:37:55,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:55" (1/1) ... [2023-11-06 22:37:55,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:37:58,247 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2023-11-06 22:37:58,252 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2023-11-06 22:37:58,253 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2023-11-06 22:37:58,254 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2023-11-06 22:37:58,254 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2023-11-06 22:37:58,255 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2023-11-06 22:37:58,255 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2023-11-06 22:37:58,261 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2023-11-06 22:37:58,262 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2023-11-06 22:37:58,264 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2023-11-06 22:37:58,264 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2023-11-06 22:37:58,265 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2023-11-06 22:37:58,266 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2023-11-06 22:37:58,267 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2023-11-06 22:37:58,267 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2023-11-06 22:37:58,268 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2023-11-06 22:37:58,268 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2023-11-06 22:37:58,269 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2023-11-06 22:37:58,269 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2023-11-06 22:37:58,271 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2023-11-06 22:37:58,272 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2023-11-06 22:37:58,272 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2023-11-06 22:37:58,273 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2023-11-06 22:37:58,273 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2023-11-06 22:37:58,274 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2023-11-06 22:37:58,275 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2023-11-06 22:37:58,275 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2023-11-06 22:37:58,276 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2023-11-06 22:37:58,276 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2023-11-06 22:37:58,277 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2023-11-06 22:37:58,277 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2023-11-06 22:37:58,278 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2023-11-06 22:37:58,279 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2023-11-06 22:37:58,279 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2023-11-06 22:37:58,280 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2023-11-06 22:37:58,281 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2023-11-06 22:37:58,282 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2023-11-06 22:37:58,282 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2023-11-06 22:37:58,283 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2023-11-06 22:37:58,283 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2023-11-06 22:37:58,284 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2023-11-06 22:37:58,285 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2023-11-06 22:37:58,286 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2023-11-06 22:37:58,287 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2023-11-06 22:37:58,289 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2023-11-06 22:37:58,290 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2023-11-06 22:37:58,290 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2023-11-06 22:37:58,292 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2023-11-06 22:37:58,292 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2023-11-06 22:37:58,293 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2023-11-06 22:37:58,294 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2023-11-06 22:37:58,302 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2023-11-06 22:37:58,302 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2023-11-06 22:37:58,303 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2023-11-06 22:37:58,304 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2023-11-06 22:37:58,304 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2023-11-06 22:37:58,305 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2023-11-06 22:37:58,305 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2023-11-06 22:37:58,306 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2023-11-06 22:37:58,306 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2023-11-06 22:37:58,307 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2023-11-06 22:37:58,308 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2023-11-06 22:37:58,309 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2023-11-06 22:37:58,310 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2023-11-06 22:37:58,311 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2023-11-06 22:37:58,311 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2023-11-06 22:37:58,312 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2023-11-06 22:37:58,313 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2023-11-06 22:37:58,315 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2023-11-06 22:37:58,315 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2023-11-06 22:37:58,316 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2023-11-06 22:37:58,317 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2023-11-06 22:37:58,319 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2023-11-06 22:37:58,319 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2023-11-06 22:37:58,320 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2023-11-06 22:37:58,320 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2023-11-06 22:37:58,321 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2023-11-06 22:37:58,323 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2023-11-06 22:37:58,323 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2023-11-06 22:37:58,324 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2023-11-06 22:37:58,324 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2023-11-06 22:37:58,325 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2023-11-06 22:37:58,325 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2023-11-06 22:37:58,327 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2023-11-06 22:37:58,327 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2023-11-06 22:37:58,328 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2023-11-06 22:37:58,328 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2023-11-06 22:37:58,329 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2023-11-06 22:37:58,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:58,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:37:58,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3569] [2023-11-06 22:37:58,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3572] [2023-11-06 22:37:58,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3575] [2023-11-06 22:37:58,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3578] [2023-11-06 22:37:58,676 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2023-11-06 22:37:58,676 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2023-11-06 22:37:58,677 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2023-11-06 22:37:58,678 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2023-11-06 22:37:58,678 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2023-11-06 22:37:58,679 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2023-11-06 22:37:58,680 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2023-11-06 22:37:58,681 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2023-11-06 22:37:58,681 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2023-11-06 22:37:58,682 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2023-11-06 22:37:58,682 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2023-11-06 22:37:58,683 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2023-11-06 22:37:58,684 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2023-11-06 22:37:58,688 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2023-11-06 22:37:58,690 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2023-11-06 22:37:58,691 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2023-11-06 22:37:58,691 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2023-11-06 22:37:58,693 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2023-11-06 22:37:58,694 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2023-11-06 22:37:58,694 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2023-11-06 22:37:58,695 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2023-11-06 22:37:58,695 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2023-11-06 22:37:58,697 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2023-11-06 22:37:58,698 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2023-11-06 22:37:58,699 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2023-11-06 22:37:58,699 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2023-11-06 22:37:58,700 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2023-11-06 22:37:58,700 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2023-11-06 22:37:58,701 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2023-11-06 22:37:58,701 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2023-11-06 22:37:58,702 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2023-11-06 22:37:58,702 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2023-11-06 22:37:58,703 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2023-11-06 22:37:58,704 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2023-11-06 22:37:58,704 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2023-11-06 22:37:58,706 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2023-11-06 22:37:58,706 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2023-11-06 22:37:58,707 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2023-11-06 22:37:58,708 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2023-11-06 22:37:58,708 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2023-11-06 22:37:58,710 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2023-11-06 22:37:58,710 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2023-11-06 22:37:58,711 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2023-11-06 22:37:58,711 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2023-11-06 22:37:58,712 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2023-11-06 22:37:58,712 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2023-11-06 22:37:58,713 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2023-11-06 22:37:58,713 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2023-11-06 22:37:58,713 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2023-11-06 22:37:58,714 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2023-11-06 22:37:58,714 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2023-11-06 22:37:58,715 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2023-11-06 22:37:58,715 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2023-11-06 22:37:58,716 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2023-11-06 22:37:58,716 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2023-11-06 22:37:58,717 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2023-11-06 22:37:58,717 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2023-11-06 22:37:58,718 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2023-11-06 22:37:58,718 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2023-11-06 22:37:58,719 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2023-11-06 22:37:58,719 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2023-11-06 22:37:58,720 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2023-11-06 22:37:58,720 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2023-11-06 22:37:58,721 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2023-11-06 22:37:58,721 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2023-11-06 22:37:58,723 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2023-11-06 22:37:58,723 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2023-11-06 22:37:58,724 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2023-11-06 22:37:58,725 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2023-11-06 22:37:58,725 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2023-11-06 22:37:58,726 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2023-11-06 22:37:58,727 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2023-11-06 22:37:58,728 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2023-11-06 22:37:58,728 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2023-11-06 22:37:58,729 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2023-11-06 22:37:58,729 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2023-11-06 22:37:58,730 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2023-11-06 22:37:58,736 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2023-11-06 22:37:58,738 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2023-11-06 22:37:58,739 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2023-11-06 22:37:58,739 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2023-11-06 22:37:58,740 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2023-11-06 22:37:58,740 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2023-11-06 22:37:58,741 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2023-11-06 22:37:58,741 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2023-11-06 22:37:58,742 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2023-11-06 22:37:58,742 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2023-11-06 22:37:58,743 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_7825b60a-d4d7-4139-9328-9480723cbd05/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2023-11-06 22:37:58,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:58,925 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:37:58,926 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:37:58,926 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:37:58,934 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:37:58,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58 WrapperNode [2023-11-06 22:37:58,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:58,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:58,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:37:58,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:37:58,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,199 INFO L138 Inliner]: procedures = 486, calls = 1125, calls flagged for inlining = 196, calls inlined = 121, statements flattened = 1980 [2023-11-06 22:37:59,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:59,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:37:59,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:37:59,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:37:59,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:37:59,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:37:59,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:37:59,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:37:59,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (1/1) ... [2023-11-06 22:37:59,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:59,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:59,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:37:59,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:37:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-06 22:37:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-06 22:37:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-06 22:37:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:37:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:37:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2023-11-06 22:37:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2023-11-06 22:37:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:37:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:37:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2023-11-06 22:37:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2023-11-06 22:37:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_lock [2023-11-06 22:37:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_lock [2023-11-06 22:37:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-06 22:37:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-06 22:37:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2023-11-06 22:37:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2023-11-06 22:37:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:37:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:37:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2023-11-06 22:37:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2023-11-06 22:37:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-06 22:37:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-06 22:37:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2023-11-06 22:37:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2023-11-06 22:37:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-06 22:37:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-06 22:37:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_delay [2023-11-06 22:37:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_delay [2023-11-06 22:37:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:37:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_delay [2023-11-06 22:37:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_delay [2023-11-06 22:37:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:37:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:37:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:37:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:37:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-06 22:37:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-06 22:37:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2023-11-06 22:37:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2023-11-06 22:37:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:37:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2023-11-06 22:37:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2023-11-06 22:37:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:37:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:37:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-06 22:37:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-06 22:37:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_lock_irq [2023-11-06 22:37:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_lock_irq [2023-11-06 22:37:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2023-11-06 22:37:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2023-11-06 22:37:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-06 22:37:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-06 22:37:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:37:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:37:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-06 22:37:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-06 22:37:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:37:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-06 22:37:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-06 22:37:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-06 22:37:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-06 22:37:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-06 22:37:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-06 22:37:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2023-11-06 22:37:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2023-11-06 22:37:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 22:37:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 22:37:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_write [2023-11-06 22:37:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_write [2023-11-06 22:37:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-06 22:37:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-06 22:37:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-06 22:37:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-06 22:37:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-06 22:37:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-06 22:37:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2023-11-06 22:37:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2023-11-06 22:37:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:37:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_read [2023-11-06 22:37:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_read [2023-11-06 22:37:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-11-06 22:37:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-11-06 22:37:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_unlock [2023-11-06 22:37:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_unlock [2023-11-06 22:37:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:37:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_write [2023-11-06 22:37:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_write [2023-11-06 22:37:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:37:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:37:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_unlock_irq [2023-11-06 22:37:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_unlock_irq [2023-11-06 22:37:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:37:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:37:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:37:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2023-11-06 22:37:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2023-11-06 22:37:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-06 22:37:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-06 22:37:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_read [2023-11-06 22:37:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_read [2023-11-06 22:37:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_write_delay [2023-11-06 22:37:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_write_delay [2023-11-06 22:37:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2023-11-06 22:37:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2023-11-06 22:37:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:37:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:37:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:37:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:37:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:37:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:37:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2023-11-06 22:37:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2023-11-06 22:37:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2023-11-06 22:37:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2023-11-06 22:37:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock_irq [2023-11-06 22:37:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock_irq [2023-11-06 22:37:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-06 22:37:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-06 22:37:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-06 22:37:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-06 22:37:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:37:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-06 22:37:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-06 22:37:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:37:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:37:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:37:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:37:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2023-11-06 22:37:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2023-11-06 22:37:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:37:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:37:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-06 22:37:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-06 22:37:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2023-11-06 22:37:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2023-11-06 22:37:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock_irq [2023-11-06 22:37:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock_irq [2023-11-06 22:37:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:37:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:37:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:37:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:37:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_read_delay [2023-11-06 22:37:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_read_delay [2023-11-06 22:37:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-06 22:37:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-06 22:37:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-06 22:37:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-06 22:37:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:37:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:37:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_delay [2023-11-06 22:37:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_delay [2023-11-06 22:37:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-06 22:37:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-06 22:37:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-06 22:37:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-06 22:37:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:37:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:37:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:37:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:37:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:37:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-06 22:37:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-06 22:37:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2023-11-06 22:37:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2023-11-06 22:37:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-06 22:37:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-06 22:37:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure __torture_print_stats [2023-11-06 22:37:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __torture_print_stats [2023-11-06 22:37:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2023-11-06 22:37:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2023-11-06 22:37:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-06 22:37:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-06 22:37:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock [2023-11-06 22:37:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock [2023-11-06 22:37:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock [2023-11-06 22:37:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock [2023-11-06 22:37:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:37:59,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:37:59,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:38:00,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:38:01,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:38:01,970 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:38:01,971 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:38:01,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:01 BoogieIcfgContainer [2023-11-06 22:38:01,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:38:01,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:38:01,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:38:01,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:38:01,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:55" (1/3) ... [2023-11-06 22:38:01,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d736d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:01, skipping insertion in model container [2023-11-06 22:38:01,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:58" (2/3) ... [2023-11-06 22:38:01,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d736d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:01, skipping insertion in model container [2023-11-06 22:38:01,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:01" (3/3) ... [2023-11-06 22:38:01,987 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2023-11-06 22:38:02,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:38:02,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2023-11-06 22:38:02,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:38:02,105 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5aab96b7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:38:02,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-11-06 22:38:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 982 states, 655 states have (on average 1.299236641221374) internal successors, (851), 715 states have internal predecessors, (851), 214 states have call successors, (214), 82 states have call predecessors, (214), 81 states have return successors, (206), 198 states have call predecessors, (206), 206 states have call successors, (206) [2023-11-06 22:38:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:38:02,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:02,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:02,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:02,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1032390359, now seen corresponding path program 1 times [2023-11-06 22:38:02,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557629156] [2023-11-06 22:38:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:03,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:03,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557629156] [2023-11-06 22:38:03,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557629156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:03,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:03,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:03,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117462631] [2023-11-06 22:38:03,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:03,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:03,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:03,057 INFO L87 Difference]: Start difference. First operand has 982 states, 655 states have (on average 1.299236641221374) internal successors, (851), 715 states have internal predecessors, (851), 214 states have call successors, (214), 82 states have call predecessors, (214), 81 states have return successors, (206), 198 states have call predecessors, (206), 206 states have call successors, (206) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:38:03,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:03,543 INFO L93 Difference]: Finished difference Result 2051 states and 2786 transitions. [2023-11-06 22:38:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:03,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:38:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:03,584 INFO L225 Difference]: With dead ends: 2051 [2023-11-06 22:38:03,584 INFO L226 Difference]: Without dead ends: 1069 [2023-11-06 22:38:03,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:03,608 INFO L413 NwaCegarLoop]: 1269 mSDtfsCounter, 114 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:03,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 2482 Invalid, 48 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2023-11-06 22:38:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 968. [2023-11-06 22:38:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 651 states have (on average 1.2427035330261136) internal successors, (809), 704 states have internal predecessors, (809), 206 states have call successors, (206), 81 states have call predecessors, (206), 80 states have return successors, (204), 196 states have call predecessors, (204), 204 states have call successors, (204) [2023-11-06 22:38:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1219 transitions. [2023-11-06 22:38:03,782 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1219 transitions. Word has length 26 [2023-11-06 22:38:03,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:03,783 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1219 transitions. [2023-11-06 22:38:03,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:38:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1219 transitions. [2023-11-06 22:38:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:38:03,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:03,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:03,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:38:03,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:03,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash 702742952, now seen corresponding path program 1 times [2023-11-06 22:38:03,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:03,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095567494] [2023-11-06 22:38:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:03,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:06,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095567494] [2023-11-06 22:38:06,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095567494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:06,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:06,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:38:06,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521568253] [2023-11-06 22:38:06,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:06,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:38:06,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:06,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:38:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:38:06,387 INFO L87 Difference]: Start difference. First operand 968 states and 1219 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:38:10,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:10,163 INFO L93 Difference]: Finished difference Result 3033 states and 3791 transitions. [2023-11-06 22:38:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:38:10,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-06 22:38:10,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:10,184 INFO L225 Difference]: With dead ends: 3033 [2023-11-06 22:38:10,184 INFO L226 Difference]: Without dead ends: 2107 [2023-11-06 22:38:10,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:38:10,190 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 1497 mSDsluCounter, 9564 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 11796 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:10,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 11796 Invalid, 2092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-06 22:38:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2023-11-06 22:38:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1845. [2023-11-06 22:38:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1845 states, 1263 states have (on average 1.2406967537608868) internal successors, (1567), 1337 states have internal predecessors, (1567), 384 states have call successors, (384), 169 states have call predecessors, (384), 167 states have return successors, (391), 365 states have call predecessors, (391), 382 states have call successors, (391) [2023-11-06 22:38:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1845 states and 2342 transitions. [2023-11-06 22:38:10,408 INFO L78 Accepts]: Start accepts. Automaton has 1845 states and 2342 transitions. Word has length 28 [2023-11-06 22:38:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:10,409 INFO L495 AbstractCegarLoop]: Abstraction has 1845 states and 2342 transitions. [2023-11-06 22:38:10,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:38:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2342 transitions. [2023-11-06 22:38:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:38:10,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:10,413 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:38:10,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:38:10,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:10,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1785973211, now seen corresponding path program 1 times [2023-11-06 22:38:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:10,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997519911] [2023-11-06 22:38:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:12,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:12,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997519911] [2023-11-06 22:38:12,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997519911] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:12,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360528248] [2023-11-06 22:38:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:12,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:12,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:38:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:13,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-06 22:38:13,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:13,588 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-06 22:38:13,589 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:38:13,623 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2023-11-06 22:38:13,644 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 22 [2023-11-06 22:38:13,843 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:38:13,850 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-06 22:38:13,975 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2023-11-06 22:38:13,985 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-11-06 22:38:14,177 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2023-11-06 22:38:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:14,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:14,514 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_163) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_163 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_164) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:38:14,551 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_163) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_163 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_164) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:38:14,639 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:38:14,640 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:38:14,653 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:38:14,661 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:38:14,708 INFO L322 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2023-11-06 22:38:14,709 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:38:15,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360528248] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:15,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:38:15,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2023-11-06 22:38:15,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080985352] [2023-11-06 22:38:15,010 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:15,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:38:15,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:15,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:38:15,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=414, Unknown=2, NotChecked=82, Total=552 [2023-11-06 22:38:15,013 INFO L87 Difference]: Start difference. First operand 1845 states and 2342 transitions. Second operand has 16 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:29,907 INFO L93 Difference]: Finished difference Result 5995 states and 7607 transitions. [2023-11-06 22:38:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:38:29,908 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2023-11-06 22:38:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:29,940 INFO L225 Difference]: With dead ends: 5995 [2023-11-06 22:38:29,940 INFO L226 Difference]: Without dead ends: 4180 [2023-11-06 22:38:29,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=252, Invalid=1086, Unknown=2, NotChecked=142, Total=1482 [2023-11-06 22:38:29,949 INFO L413 NwaCegarLoop]: 3030 mSDtfsCounter, 5169 mSDsluCounter, 22779 mSDsCounter, 0 mSdLazyCounter, 6875 mSolverCounterSat, 2590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5169 SdHoareTripleChecker+Valid, 25809 SdHoareTripleChecker+Invalid, 9465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2590 IncrementalHoareTripleChecker+Valid, 6875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:29,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5169 Valid, 25809 Invalid, 9465 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2590 Valid, 6875 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-11-06 22:38:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2023-11-06 22:38:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 3334. [2023-11-06 22:38:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 2330 states have (on average 1.251502145922747) internal successors, (2916), 2439 states have internal predecessors, (2916), 684 states have call successors, (684), 293 states have call predecessors, (684), 289 states have return successors, (694), 652 states have call predecessors, (694), 682 states have call successors, (694) [2023-11-06 22:38:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4294 transitions. [2023-11-06 22:38:30,552 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4294 transitions. Word has length 31 [2023-11-06 22:38:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:30,553 INFO L495 AbstractCegarLoop]: Abstraction has 3334 states and 4294 transitions. [2023-11-06 22:38:30,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4294 transitions. [2023-11-06 22:38:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:38:30,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:30,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:30,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:30,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:30,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:30,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:30,779 INFO L85 PathProgramCache]: Analyzing trace with hash -85643064, now seen corresponding path program 2 times [2023-11-06 22:38:30,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:30,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699301765] [2023-11-06 22:38:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:30,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:33,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699301765] [2023-11-06 22:38:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699301765] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927152111] [2023-11-06 22:38:33,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:38:33,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:33,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:33,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:38:33,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:38:33,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:38:33,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 22:38:33,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:34,005 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-06 22:38:34,006 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:38:34,022 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2023-11-06 22:38:34,038 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 15 [2023-11-06 22:38:34,204 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:38:34,215 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:38:34,323 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:38:34,332 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:38:34,439 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2023-11-06 22:38:34,447 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-06 22:38:34,642 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-06 22:38:34,642 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 19 [2023-11-06 22:38:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:34,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:34,994 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_276 (Array Int Int)) (v_ArrVal_275 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_276) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_276 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_275) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:38:35,010 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_276 (Array Int Int)) (v_ArrVal_275 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_276) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_276 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_275) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:38:35,032 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_276 (Array Int Int)) (v_ArrVal_275 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_276) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_276 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_275) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:38:35,084 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:38:35,084 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:38:35,093 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:38:35,099 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:38:35,147 INFO L322 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2023-11-06 22:38:35,147 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:38:35,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927152111] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:35,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:38:35,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2023-11-06 22:38:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235007805] [2023-11-06 22:38:35,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 22:38:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:35,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:38:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=545, Unknown=3, NotChecked=144, Total=756 [2023-11-06 22:38:35,337 INFO L87 Difference]: Start difference. First operand 3334 states and 4294 transitions. Second operand has 19 states, 17 states have (on average 3.176470588235294) internal successors, (54), 19 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:53,906 INFO L93 Difference]: Finished difference Result 8989 states and 11548 transitions. [2023-11-06 22:38:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:38:53,907 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.176470588235294) internal successors, (54), 19 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2023-11-06 22:38:53,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:53,948 INFO L225 Difference]: With dead ends: 8989 [2023-11-06 22:38:53,948 INFO L226 Difference]: Without dead ends: 5785 [2023-11-06 22:38:53,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=327, Invalid=1574, Unknown=3, NotChecked=258, Total=2162 [2023-11-06 22:38:53,962 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 5219 mSDsluCounter, 29846 mSDsCounter, 0 mSdLazyCounter, 11287 mSolverCounterSat, 2643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5219 SdHoareTripleChecker+Valid, 32940 SdHoareTripleChecker+Invalid, 13930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2643 IncrementalHoareTripleChecker+Valid, 11287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:53,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5219 Valid, 32940 Invalid, 13930 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2643 Valid, 11287 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2023-11-06 22:38:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2023-11-06 22:38:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 4774. [2023-11-06 22:38:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4774 states, 3349 states have (on average 1.2502239474469992) internal successors, (4187), 3492 states have internal predecessors, (4187), 980 states have call successors, (980), 420 states have call predecessors, (980), 414 states have return successors, (995), 937 states have call predecessors, (995), 978 states have call successors, (995) [2023-11-06 22:38:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4774 states to 4774 states and 6162 transitions. [2023-11-06 22:38:54,891 INFO L78 Accepts]: Start accepts. Automaton has 4774 states and 6162 transitions. Word has length 34 [2023-11-06 22:38:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:54,892 INFO L495 AbstractCegarLoop]: Abstraction has 4774 states and 6162 transitions. [2023-11-06 22:38:54,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.176470588235294) internal successors, (54), 19 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4774 states and 6162 transitions. [2023-11-06 22:38:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 22:38:54,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:54,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:54,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:55,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:55,106 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:55,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:55,106 INFO L85 PathProgramCache]: Analyzing trace with hash -418531617, now seen corresponding path program 1 times [2023-11-06 22:38:55,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:55,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596336129] [2023-11-06 22:38:55,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:38:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:55,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:55,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596336129] [2023-11-06 22:38:55,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596336129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:55,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:55,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:55,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65009680] [2023-11-06 22:38:55,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:55,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:55,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:55,291 INFO L87 Difference]: Start difference. First operand 4774 states and 6162 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:56,192 INFO L93 Difference]: Finished difference Result 9310 states and 12019 transitions. [2023-11-06 22:38:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2023-11-06 22:38:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:56,224 INFO L225 Difference]: With dead ends: 9310 [2023-11-06 22:38:56,224 INFO L226 Difference]: Without dead ends: 4774 [2023-11-06 22:38:56,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:56,242 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 1198 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:56,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 1209 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:38:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4774 states. [2023-11-06 22:38:57,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4774 to 4774. [2023-11-06 22:38:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4774 states, 3349 states have (on average 1.2454464019110183) internal successors, (4171), 3492 states have internal predecessors, (4171), 980 states have call successors, (980), 420 states have call predecessors, (980), 414 states have return successors, (995), 937 states have call predecessors, (995), 978 states have call successors, (995) [2023-11-06 22:38:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4774 states to 4774 states and 6146 transitions. [2023-11-06 22:38:57,249 INFO L78 Accepts]: Start accepts. Automaton has 4774 states and 6146 transitions. Word has length 36 [2023-11-06 22:38:57,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:57,251 INFO L495 AbstractCegarLoop]: Abstraction has 4774 states and 6146 transitions. [2023-11-06 22:38:57,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:38:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 4774 states and 6146 transitions. [2023-11-06 22:38:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:38:57,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:57,253 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-06 22:38:57,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:38:57,254 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:38:57,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:57,264 INFO L85 PathProgramCache]: Analyzing trace with hash -140654917, now seen corresponding path program 3 times [2023-11-06 22:38:57,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:57,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954708613] [2023-11-06 22:38:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:00,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:00,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954708613] [2023-11-06 22:39:00,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954708613] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:39:00,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933366543] [2023-11-06 22:39:00,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:39:00,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:00,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:00,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:39:01,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:39:01,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:39:01,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-06 22:39:01,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:01,409 INFO L322 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-06 22:39:01,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 22 [2023-11-06 22:39:01,428 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2023-11-06 22:39:01,447 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-06 22:39:01,448 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:39:01,652 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:39:01,668 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:39:01,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:39:01,807 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:39:01,965 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:39:01,982 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:39:02,131 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-06 22:39:02,139 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-06 22:39:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:02,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:39:02,495 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_452 (Array Int Int)) (v_ArrVal_451 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_452) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_452 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_451) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2023-11-06 22:39:02,527 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_452 (Array Int Int)) (v_ArrVal_451 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_452) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_452 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_451) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2023-11-06 22:39:02,550 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_452 (Array Int Int)) (v_ArrVal_451 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_452) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_452 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_451) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:02,569 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_452 (Array Int Int)) (v_ArrVal_451 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_452) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_452 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_451) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:02,625 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:39:02,626 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:39:02,634 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:39:02,640 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:39:02,676 INFO L322 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2023-11-06 22:39:02,677 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:39:02,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933366543] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:39:02,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:39:02,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2023-11-06 22:39:02,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124572053] [2023-11-06 22:39:02,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:39:02,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-06 22:39:02,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:02,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-06 22:39:02,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=537, Unknown=4, NotChecked=196, Total=812 [2023-11-06 22:39:02,861 INFO L87 Difference]: Start difference. First operand 4774 states and 6146 transitions. Second operand has 21 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 21 states have internal predecessors, (60), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:39:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:24,936 INFO L93 Difference]: Finished difference Result 11152 states and 14380 transitions. [2023-11-06 22:39:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:39:24,937 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 21 states have internal predecessors, (60), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-06 22:39:24,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:24,991 INFO L225 Difference]: With dead ends: 11152 [2023-11-06 22:39:24,991 INFO L226 Difference]: Without dead ends: 7940 [2023-11-06 22:39:25,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=345, Invalid=1647, Unknown=4, NotChecked=356, Total=2352 [2023-11-06 22:39:25,006 INFO L413 NwaCegarLoop]: 3152 mSDtfsCounter, 6090 mSDsluCounter, 30484 mSDsCounter, 0 mSdLazyCounter, 13846 mSolverCounterSat, 2412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6090 SdHoareTripleChecker+Valid, 33636 SdHoareTripleChecker+Invalid, 16258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2412 IncrementalHoareTripleChecker+Valid, 13846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:25,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6090 Valid, 33636 Invalid, 16258 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2412 Valid, 13846 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2023-11-06 22:39:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2023-11-06 22:39:26,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 5311. [2023-11-06 22:39:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 3727 states have (on average 1.2420177086128252) internal successors, (4629), 3884 states have internal predecessors, (4629), 1089 states have call successors, (1089), 470 states have call predecessors, (1089), 464 states have return successors, (1107), 1044 states have call predecessors, (1107), 1087 states have call successors, (1107) [2023-11-06 22:39:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 6825 transitions. [2023-11-06 22:39:26,149 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 6825 transitions. Word has length 37 [2023-11-06 22:39:26,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:26,150 INFO L495 AbstractCegarLoop]: Abstraction has 5311 states and 6825 transitions. [2023-11-06 22:39:26,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 21 states have internal predecessors, (60), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:39:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 6825 transitions. [2023-11-06 22:39:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:39:26,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:26,152 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:26,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:39:26,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:26,354 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:39:26,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1678739432, now seen corresponding path program 4 times [2023-11-06 22:39:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2948481] [2023-11-06 22:39:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:29,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:29,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2948481] [2023-11-06 22:39:29,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2948481] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:39:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257294067] [2023-11-06 22:39:29,061 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:39:29,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:29,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:29,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:39:29,607 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:39:29,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:39:29,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-06 22:39:29,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:29,780 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2023-11-06 22:39:29,886 INFO L322 Elim1Store]: treesize reduction 424, result has 17.3 percent of original size [2023-11-06 22:39:29,886 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 100 [2023-11-06 22:39:29,962 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-06 22:39:29,962 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:39:30,110 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:39:30,114 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-06 22:39:30,203 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:39:30,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-06 22:39:30,315 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:39:30,319 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-06 22:39:30,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:39:30,422 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-06 22:39:30,542 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2023-11-06 22:39:30,549 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2023-11-06 22:39:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:30,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:39:30,852 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_591 (Array Int Int)) (v_ArrVal_592 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_591) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_591 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_592) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:30,868 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_591 (Array Int Int)) (v_ArrVal_592 (Array Int Int))) (not (= (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_591) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_591 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_592) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:30,888 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_591 (Array Int Int)) (v_ArrVal_592 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_591) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_591 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_592) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2023-11-06 22:39:30,906 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_591 (Array Int Int)) (v_ArrVal_592 (Array Int Int))) (not (= (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_591) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_591 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_592) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:30,933 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_591 (Array Int Int)) (v_ArrVal_592 (Array Int Int))) (not (= (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_591) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_591 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_592) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2023-11-06 22:39:30,981 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:39:30,982 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:39:30,989 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:39:31,001 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:39:31,050 INFO L322 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2023-11-06 22:39:31,050 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:39:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257294067] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:39:31,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:39:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2023-11-06 22:39:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710051138] [2023-11-06 22:39:31,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:39:31,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:39:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:39:31,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=574, Unknown=5, NotChecked=260, Total=930 [2023-11-06 22:39:31,240 INFO L87 Difference]: Start difference. First operand 5311 states and 6825 transitions. Second operand has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:39:46,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:46,537 INFO L93 Difference]: Finished difference Result 11830 states and 15282 transitions. [2023-11-06 22:39:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:39:46,538 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2023-11-06 22:39:46,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:46,583 INFO L225 Difference]: With dead ends: 11830 [2023-11-06 22:39:46,583 INFO L226 Difference]: Without dead ends: 8084 [2023-11-06 22:39:46,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=322, Invalid=1585, Unknown=5, NotChecked=440, Total=2352 [2023-11-06 22:39:46,600 INFO L413 NwaCegarLoop]: 3180 mSDtfsCounter, 6427 mSDsluCounter, 17961 mSDsCounter, 0 mSdLazyCounter, 8571 mSolverCounterSat, 1895 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6428 SdHoareTripleChecker+Valid, 21141 SdHoareTripleChecker+Invalid, 10466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1895 IncrementalHoareTripleChecker+Valid, 8571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:46,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6428 Valid, 21141 Invalid, 10466 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1895 Valid, 8571 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-11-06 22:39:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8084 states. [2023-11-06 22:39:48,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 6751. [2023-11-06 22:39:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6751 states, 4746 states have (on average 1.2423093131057732) internal successors, (5896), 4937 states have internal predecessors, (5896), 1385 states have call successors, (1385), 597 states have call predecessors, (1385), 589 states have return successors, (1408), 1329 states have call predecessors, (1408), 1383 states have call successors, (1408) [2023-11-06 22:39:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6751 states to 6751 states and 8689 transitions. [2023-11-06 22:39:48,134 INFO L78 Accepts]: Start accepts. Automaton has 6751 states and 8689 transitions. Word has length 40 [2023-11-06 22:39:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:48,134 INFO L495 AbstractCegarLoop]: Abstraction has 6751 states and 8689 transitions. [2023-11-06 22:39:48,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:39:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6751 states and 8689 transitions. [2023-11-06 22:39:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:39:48,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:48,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:48,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:39:48,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:39:48,345 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:39:48,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:48,345 INFO L85 PathProgramCache]: Analyzing trace with hash 684890400, now seen corresponding path program 1 times [2023-11-06 22:39:48,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:48,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619926610] [2023-11-06 22:39:48,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:39:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:39:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:48,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:48,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619926610] [2023-11-06 22:39:48,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619926610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:48,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:48,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:39:48,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916304513] [2023-11-06 22:39:48,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:48,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:39:48,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:48,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:39:48,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:39:48,761 INFO L87 Difference]: Start difference. First operand 6751 states and 8689 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:39:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:50,904 INFO L93 Difference]: Finished difference Result 13182 states and 17100 transitions. [2023-11-06 22:39:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:39:50,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2023-11-06 22:39:50,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:50,935 INFO L225 Difference]: With dead ends: 13182 [2023-11-06 22:39:50,935 INFO L226 Difference]: Without dead ends: 6751 [2023-11-06 22:39:50,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:39:50,959 INFO L413 NwaCegarLoop]: 1207 mSDtfsCounter, 1190 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:50,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 4406 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:39:50,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6751 states. [2023-11-06 22:39:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 6751. [2023-11-06 22:39:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6751 states, 4746 states have (on average 1.2395701643489254) internal successors, (5883), 4937 states have internal predecessors, (5883), 1385 states have call successors, (1385), 597 states have call predecessors, (1385), 589 states have return successors, (1408), 1329 states have call predecessors, (1408), 1383 states have call successors, (1408) [2023-11-06 22:39:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6751 states to 6751 states and 8676 transitions. [2023-11-06 22:39:52,478 INFO L78 Accepts]: Start accepts. Automaton has 6751 states and 8676 transitions. Word has length 43 [2023-11-06 22:39:52,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:52,479 INFO L495 AbstractCegarLoop]: Abstraction has 6751 states and 8676 transitions. [2023-11-06 22:39:52,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:39:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 6751 states and 8676 transitions. [2023-11-06 22:39:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:39:52,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:52,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:52,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:39:52,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:39:52,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash 684949982, now seen corresponding path program 1 times [2023-11-06 22:39:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:52,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30470422] [2023-11-06 22:39:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:52,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:39:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:39:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:52,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:52,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30470422] [2023-11-06 22:39:52,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30470422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:52,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:52,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:39:52,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652334348] [2023-11-06 22:39:52,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:52,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:39:52,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:39:52,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:39:52,825 INFO L87 Difference]: Start difference. First operand 6751 states and 8676 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:39:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:54,533 INFO L93 Difference]: Finished difference Result 6751 states and 8676 transitions. [2023-11-06 22:39:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:39:54,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2023-11-06 22:39:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:54,559 INFO L225 Difference]: With dead ends: 6751 [2023-11-06 22:39:54,559 INFO L226 Difference]: Without dead ends: 6749 [2023-11-06 22:39:54,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:39:54,563 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 4 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3613 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:54,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3613 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:39:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6749 states. [2023-11-06 22:39:56,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6749 to 6749. [2023-11-06 22:39:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6749 states, 4745 states have (on average 1.2368809272918861) internal successors, (5869), 4935 states have internal predecessors, (5869), 1385 states have call successors, (1385), 597 states have call predecessors, (1385), 589 states have return successors, (1408), 1329 states have call predecessors, (1408), 1383 states have call successors, (1408) [2023-11-06 22:39:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6749 states to 6749 states and 8662 transitions. [2023-11-06 22:39:56,079 INFO L78 Accepts]: Start accepts. Automaton has 6749 states and 8662 transitions. Word has length 43 [2023-11-06 22:39:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:56,079 INFO L495 AbstractCegarLoop]: Abstraction has 6749 states and 8662 transitions. [2023-11-06 22:39:56,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:39:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6749 states and 8662 transitions. [2023-11-06 22:39:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:39:56,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:56,082 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:56,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:39:56,082 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:39:56,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash 768514971, now seen corresponding path program 5 times [2023-11-06 22:39:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:56,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390125245] [2023-11-06 22:39:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:39:58,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:58,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390125245] [2023-11-06 22:39:58,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390125245] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:39:58,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575521015] [2023-11-06 22:39:58,591 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:39:58,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:58,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:58,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:39:59,287 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-11-06 22:39:59,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:39:59,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-06 22:39:59,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:59,540 INFO L322 Elim1Store]: treesize reduction 428, result has 17.2 percent of original size [2023-11-06 22:39:59,540 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 93 [2023-11-06 22:39:59,590 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2023-11-06 22:39:59,612 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-06 22:39:59,613 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:39:59,785 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:39:59,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:39:59,900 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:39:59,908 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:40:00,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:00,012 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:40:00,116 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:40:00,124 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:00,228 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:00,236 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-06 22:40:00,334 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2023-11-06 22:40:00,341 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-06 22:40:00,474 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-06 22:40:00,475 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 19 [2023-11-06 22:40:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:00,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:40:00,686 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,700 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,726 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,753 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,774 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 40 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,792 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int)) (|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 40 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_846) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_846 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_845) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:40:00,835 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:40:00,835 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:40:00,850 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:40:00,855 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:40:00,910 INFO L322 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2023-11-06 22:40:00,910 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:40:01,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575521015] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:01,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:40:01,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2023-11-06 22:40:01,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409340559] [2023-11-06 22:40:01,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:40:01,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-06 22:40:01,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:01,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 22:40:01,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=726, Unknown=6, NotChecked=354, Total=1190 [2023-11-06 22:40:01,116 INFO L87 Difference]: Start difference. First operand 6749 states and 8662 transitions. Second operand has 25 states, 23 states have (on average 3.130434782608696) internal successors, (72), 25 states have internal predecessors, (72), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:40:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:23,925 INFO L93 Difference]: Finished difference Result 13025 states and 16908 transitions. [2023-11-06 22:40:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:40:23,925 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 3.130434782608696) internal successors, (72), 25 states have internal predecessors, (72), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2023-11-06 22:40:23,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:23,962 INFO L225 Difference]: With dead ends: 13025 [2023-11-06 22:40:23,963 INFO L226 Difference]: Without dead ends: 9799 [2023-11-06 22:40:23,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=411, Invalid=2363, Unknown=6, NotChecked=642, Total=3422 [2023-11-06 22:40:23,978 INFO L413 NwaCegarLoop]: 3209 mSDtfsCounter, 5722 mSDsluCounter, 28384 mSDsCounter, 0 mSdLazyCounter, 14110 mSolverCounterSat, 1549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5723 SdHoareTripleChecker+Valid, 31593 SdHoareTripleChecker+Invalid, 15659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 14110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:23,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5723 Valid, 31593 Invalid, 15659 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1549 Valid, 14110 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-11-06 22:40:23,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9799 states. [2023-11-06 22:40:25,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9799 to 6760. [2023-11-06 22:40:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6760 states, 4754 states have (on average 1.2366428270929744) internal successors, (5879), 4944 states have internal predecessors, (5879), 1387 states have call successors, (1387), 597 states have call predecessors, (1387), 589 states have return successors, (1410), 1331 states have call predecessors, (1410), 1385 states have call successors, (1410) [2023-11-06 22:40:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 8676 transitions. [2023-11-06 22:40:25,725 INFO L78 Accepts]: Start accepts. Automaton has 6760 states and 8676 transitions. Word has length 43 [2023-11-06 22:40:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:25,726 INFO L495 AbstractCegarLoop]: Abstraction has 6760 states and 8676 transitions. [2023-11-06 22:40:25,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 3.130434782608696) internal successors, (72), 25 states have internal predecessors, (72), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:40:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 6760 states and 8676 transitions. [2023-11-06 22:40:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:40:25,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:25,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:25,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:25,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:40:25,937 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:40:25,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1253528796, now seen corresponding path program 1 times [2023-11-06 22:40:25,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:25,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010743593] [2023-11-06 22:40:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:40:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:40:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:40:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:26,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010743593] [2023-11-06 22:40:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010743593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:26,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:26,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:26,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119419665] [2023-11-06 22:40:26,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:26,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:26,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:26,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:26,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:26,136 INFO L87 Difference]: Start difference. First operand 6760 states and 8676 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:40:27,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:27,824 INFO L93 Difference]: Finished difference Result 13161 states and 17020 transitions. [2023-11-06 22:40:27,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:27,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2023-11-06 22:40:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:27,854 INFO L225 Difference]: With dead ends: 13161 [2023-11-06 22:40:27,854 INFO L226 Difference]: Without dead ends: 6732 [2023-11-06 22:40:27,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:27,877 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 1171 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:27,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:27,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6732 states. [2023-11-06 22:40:29,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6732 to 6732. [2023-11-06 22:40:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6732 states, 4727 states have (on average 1.2324941823566744) internal successors, (5826), 4916 states have internal predecessors, (5826), 1387 states have call successors, (1387), 597 states have call predecessors, (1387), 589 states have return successors, (1410), 1331 states have call predecessors, (1410), 1385 states have call successors, (1410) [2023-11-06 22:40:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6732 states to 6732 states and 8623 transitions. [2023-11-06 22:40:29,755 INFO L78 Accepts]: Start accepts. Automaton has 6732 states and 8623 transitions. Word has length 47 [2023-11-06 22:40:29,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:29,756 INFO L495 AbstractCegarLoop]: Abstraction has 6732 states and 8623 transitions. [2023-11-06 22:40:29,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:40:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6732 states and 8623 transitions. [2023-11-06 22:40:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:40:29,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:29,758 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:29,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:40:29,759 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2023-11-06 22:40:29,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:29,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1599863032, now seen corresponding path program 6 times [2023-11-06 22:40:29,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:29,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906434572] [2023-11-06 22:40:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:29,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:40:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:32,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906434572] [2023-11-06 22:40:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906434572] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5209756] [2023-11-06 22:40:32,365 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 22:40:32,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:32,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:32,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:32,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7825b60a-d4d7-4139-9328-9480723cbd05/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:40:34,246 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-06 22:40:34,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:40:34,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 226 conjunts are in the unsatisfiable core [2023-11-06 22:40:34,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:41,948 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2023-11-06 22:40:41,971 INFO L322 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-06 22:40:41,971 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 22 [2023-11-06 22:40:42,117 INFO L217 Elim1Store]: Index analysis took 113 ms [2023-11-06 22:40:43,325 INFO L322 Elim1Store]: treesize reduction 316, result has 50.1 percent of original size [2023-11-06 22:40:43,326 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 80 select indices, 80 select index equivalence classes, 3081 disjoint index pairs (out of 3160 index pairs), introduced 80 new quantified variables, introduced 79 case distinctions, treesize of input 401 treesize of output 557 [2023-11-06 22:40:49,441 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:40:49,688 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:52,703 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:52,887 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:40:56,054 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:40:56,307 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:59,332 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:59,495 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:41:02,394 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:41:02,751 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:41:05,548 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-06 22:41:05,661 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:41:08,773 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 80 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2023-11-06 22:41:08,814 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 79 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-06 22:41:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:12,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:12,677 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2023-11-06 22:41:12,689 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:41:12,708 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:41:12,726 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:41:12,743 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 40 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:41:12,760 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 48 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2023-11-06 22:41:12,793 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_1064 (Array Int Int)) (v_ArrVal_1063 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 48))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_1064) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_1064 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_1063) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2023-11-06 22:41:12,842 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:41:12,842 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 172 [2023-11-06 22:41:12,853 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 233 [2023-11-06 22:41:12,858 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 226 [2023-11-06 22:41:12,921 INFO L322 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2023-11-06 22:41:12,921 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2023-11-06 22:41:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5209756] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:13,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:41:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2023-11-06 22:41:13,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729934401] [2023-11-06 22:41:13,180 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:41:13,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:41:13,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:13,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:41:13,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=780, Unknown=7, NotChecked=434, Total=1332 [2023-11-06 22:41:13,182 INFO L87 Difference]: Start difference. First operand 6732 states and 8623 transitions. Second operand has 24 states, 23 states have (on average 3.217391304347826) internal successors, (74), 24 states have internal predecessors, (74), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)