./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/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_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:44:20,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:44:20,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:44:20,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:44:20,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:44:20,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:44:20,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:44:20,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:44:20,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:44:20,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:44:20,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:44:20,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:44:20,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:44:20,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:44:20,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:44:20,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:44:20,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:44:20,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:44:20,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:44:20,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:44:20,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:44:20,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:44:20,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:44:20,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:44:20,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:44:20,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:44:20,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:44:20,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:44:20,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:44:20,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:44:20,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:44:20,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:44:20,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:44:20,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:44:20,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:44:20,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:44:20,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:44:20,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:44:20,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:44:20,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:44:20,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:44:20,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:44:20,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:44:20,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:44:20,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:44:20,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:44:20,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:44:20,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:44:20,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:44:20,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:44:20,165 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:44:20,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:44:20,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:44:20,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:44:20,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:44:20,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:44:20,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:44:20,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:44:20,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:44:20,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:44:20,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:44:20,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:44:20,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:44:20,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:20,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:44:20,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:44:20,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:44:20,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:44:20,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:44:20,170 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:44:20,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:44:20,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:44:20,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3999042d9cc74b4d3f513a03b2b33730a93b6921729afd52c1fac5c320bfa594 [2022-11-02 20:44:20,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:44:20,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:44:20,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:44:20,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:44:20,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:44:20,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2022-11-02 20:44:20,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/data/cb3453fe4/58216015f3fa475886d7361cb783becd/FLAG8c2b2b0ec [2022-11-02 20:44:21,465 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:44:21,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2022-11-02 20:44:21,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/data/cb3453fe4/58216015f3fa475886d7361cb783becd/FLAG8c2b2b0ec [2022-11-02 20:44:21,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/data/cb3453fe4/58216015f3fa475886d7361cb783becd [2022-11-02 20:44:21,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:44:21,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:44:21,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:21,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:44:21,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:44:21,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:21" (1/1) ... [2022-11-02 20:44:21,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541c8397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:21, skipping insertion in model container [2022-11-02 20:44:21,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:21" (1/1) ... [2022-11-02 20:44:21,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:22,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:24,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2022-11-02 20:44:24,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2022-11-02 20:44:24,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2022-11-02 20:44:24,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2022-11-02 20:44:24,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2022-11-02 20:44:24,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2022-11-02 20:44:24,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2022-11-02 20:44:24,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2022-11-02 20:44:24,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2022-11-02 20:44:24,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2022-11-02 20:44:24,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2022-11-02 20:44:24,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2022-11-02 20:44:24,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2022-11-02 20:44:24,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2022-11-02 20:44:24,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2022-11-02 20:44:24,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2022-11-02 20:44:24,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2022-11-02 20:44:24,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2022-11-02 20:44:24,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2022-11-02 20:44:24,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2022-11-02 20:44:24,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2022-11-02 20:44:24,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2022-11-02 20:44:24,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2022-11-02 20:44:24,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2022-11-02 20:44:24,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2022-11-02 20:44:24,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2022-11-02 20:44:24,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2022-11-02 20:44:24,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2022-11-02 20:44:24,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2022-11-02 20:44:24,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2022-11-02 20:44:24,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2022-11-02 20:44:24,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2022-11-02 20:44:24,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2022-11-02 20:44:24,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2022-11-02 20:44:24,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2022-11-02 20:44:24,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2022-11-02 20:44:24,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2022-11-02 20:44:24,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2022-11-02 20:44:24,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2022-11-02 20:44:24,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2022-11-02 20:44:24,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2022-11-02 20:44:24,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2022-11-02 20:44:24,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2022-11-02 20:44:24,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2022-11-02 20:44:24,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2022-11-02 20:44:24,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2022-11-02 20:44:24,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2022-11-02 20:44:24,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2022-11-02 20:44:24,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2022-11-02 20:44:24,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2022-11-02 20:44:24,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2022-11-02 20:44:24,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2022-11-02 20:44:24,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2022-11-02 20:44:24,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2022-11-02 20:44:24,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2022-11-02 20:44:24,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2022-11-02 20:44:24,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2022-11-02 20:44:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2022-11-02 20:44:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2022-11-02 20:44:24,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2022-11-02 20:44:24,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2022-11-02 20:44:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2022-11-02 20:44:24,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2022-11-02 20:44:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2022-11-02 20:44:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2022-11-02 20:44:24,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2022-11-02 20:44:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2022-11-02 20:44:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2022-11-02 20:44:24,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2022-11-02 20:44:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2022-11-02 20:44:24,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2022-11-02 20:44:24,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2022-11-02 20:44:24,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2022-11-02 20:44:24,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2022-11-02 20:44:24,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2022-11-02 20:44:24,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2022-11-02 20:44:24,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2022-11-02 20:44:24,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2022-11-02 20:44:24,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2022-11-02 20:44:24,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2022-11-02 20:44:24,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2022-11-02 20:44:24,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2022-11-02 20:44:24,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2022-11-02 20:44:24,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2022-11-02 20:44:24,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2022-11-02 20:44:24,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2022-11-02 20:44:24,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2022-11-02 20:44:24,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2022-11-02 20:44:24,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:24,590 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:24,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2022-11-02 20:44:24,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2022-11-02 20:44:24,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2022-11-02 20:44:24,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2022-11-02 20:44:24,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2022-11-02 20:44:24,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2022-11-02 20:44:24,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2022-11-02 20:44:24,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2022-11-02 20:44:24,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2022-11-02 20:44:24,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2022-11-02 20:44:24,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2022-11-02 20:44:24,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2022-11-02 20:44:24,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2022-11-02 20:44:24,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2022-11-02 20:44:24,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2022-11-02 20:44:24,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2022-11-02 20:44:24,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2022-11-02 20:44:24,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2022-11-02 20:44:24,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2022-11-02 20:44:24,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2022-11-02 20:44:24,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2022-11-02 20:44:24,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2022-11-02 20:44:24,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2022-11-02 20:44:24,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2022-11-02 20:44:24,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2022-11-02 20:44:24,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2022-11-02 20:44:24,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2022-11-02 20:44:24,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2022-11-02 20:44:24,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2022-11-02 20:44:24,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2022-11-02 20:44:24,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2022-11-02 20:44:24,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2022-11-02 20:44:24,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2022-11-02 20:44:24,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2022-11-02 20:44:24,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2022-11-02 20:44:24,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2022-11-02 20:44:24,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2022-11-02 20:44:24,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2022-11-02 20:44:24,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2022-11-02 20:44:24,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2022-11-02 20:44:24,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2022-11-02 20:44:24,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2022-11-02 20:44:24,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2022-11-02 20:44:24,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2022-11-02 20:44:24,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2022-11-02 20:44:24,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2022-11-02 20:44:24,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2022-11-02 20:44:24,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2022-11-02 20:44:24,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2022-11-02 20:44:24,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2022-11-02 20:44:24,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2022-11-02 20:44:24,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2022-11-02 20:44:24,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2022-11-02 20:44:24,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2022-11-02 20:44:24,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2022-11-02 20:44:24,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2022-11-02 20:44:24,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2022-11-02 20:44:24,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2022-11-02 20:44:24,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2022-11-02 20:44:24,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2022-11-02 20:44:24,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2022-11-02 20:44:24,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2022-11-02 20:44:24,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2022-11-02 20:44:24,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2022-11-02 20:44:24,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2022-11-02 20:44:24,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2022-11-02 20:44:24,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2022-11-02 20:44:24,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2022-11-02 20:44:24,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2022-11-02 20:44:24,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2022-11-02 20:44:24,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2022-11-02 20:44:24,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2022-11-02 20:44:24,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2022-11-02 20:44:24,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2022-11-02 20:44:24,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2022-11-02 20:44:24,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2022-11-02 20:44:24,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2022-11-02 20:44:24,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2022-11-02 20:44:24,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2022-11-02 20:44:24,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2022-11-02 20:44:24,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2022-11-02 20:44:24,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2022-11-02 20:44:24,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2022-11-02 20:44:24,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2022-11-02 20:44:24,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2022-11-02 20:44:24,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2022-11-02 20:44:24,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2022-11-02 20:44:24,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2022-11-02 20:44:24,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:25,214 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:25,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25 WrapperNode [2022-11-02 20:44:25,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:25,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:25,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:25,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:25,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,442 INFO L138 Inliner]: procedures = 486, calls = 1092, calls flagged for inlining = 196, calls inlined = 121, statements flattened = 1951 [2022-11-02 20:44:25,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:25,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:25,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:25,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:25,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:25,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:25,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:25,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:25,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (1/1) ... [2022-11-02 20:44:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:25,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:25,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:25,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 20:44:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-02 20:44:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-02 20:44:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:44:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:44:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2022-11-02 20:44:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2022-11-02 20:44:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:44:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:44:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2022-11-02 20:44:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2022-11-02 20:44:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_lock [2022-11-02 20:44:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_lock [2022-11-02 20:44:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-02 20:44:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-02 20:44:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2022-11-02 20:44:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2022-11-02 20:44:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:44:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:44:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2022-11-02 20:44:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2022-11-02 20:44:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-02 20:44:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-02 20:44:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2022-11-02 20:44:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2022-11-02 20:44:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-02 20:44:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-02 20:44:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_delay [2022-11-02 20:44:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_delay [2022-11-02 20:44:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_delay [2022-11-02 20:44:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_delay [2022-11-02 20:44:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:44:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:44:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:44:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:44:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-02 20:44:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-02 20:44:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2022-11-02 20:44:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2022-11-02 20:44:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:44:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-11-02 20:44:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-11-02 20:44:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:44:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:44:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-02 20:44:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-02 20:44:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_lock_irq [2022-11-02 20:44:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_lock_irq [2022-11-02 20:44:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2022-11-02 20:44:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2022-11-02 20:44:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-02 20:44:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-02 20:44:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:44:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:44:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-02 20:44:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-02 20:44:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:44:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-02 20:44:25,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-02 20:44:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-02 20:44:25,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-02 20:44:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-02 20:44:25,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-02 20:44:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2022-11-02 20:44:25,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2022-11-02 20:44:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:44:25,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:44:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_write [2022-11-02 20:44:25,694 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_write [2022-11-02 20:44:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-02 20:44:25,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-02 20:44:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-02 20:44:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-02 20:44:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-02 20:44:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-02 20:44:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-11-02 20:44:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-11-02 20:44:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:44:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_read [2022-11-02 20:44:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_read [2022-11-02 20:44:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-02 20:44:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-02 20:44:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_unlock [2022-11-02 20:44:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_unlock [2022-11-02 20:44:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:44:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_write [2022-11-02 20:44:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_write [2022-11-02 20:44:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:44:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:44:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_unlock_irq [2022-11-02 20:44:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_unlock_irq [2022-11-02 20:44:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:44:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:44:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:44:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2022-11-02 20:44:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2022-11-02 20:44:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-02 20:44:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-02 20:44:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_read [2022-11-02 20:44:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_read [2022-11-02 20:44:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_write_delay [2022-11-02 20:44:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_write_delay [2022-11-02 20:44:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2022-11-02 20:44:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2022-11-02 20:44:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:44:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:44:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:44:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:44:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2022-11-02 20:44:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2022-11-02 20:44:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2022-11-02 20:44:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2022-11-02 20:44:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock_irq [2022-11-02 20:44:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock_irq [2022-11-02 20:44:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-02 20:44:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-02 20:44:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-02 20:44:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-02 20:44:25,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:44:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-02 20:44:25,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-02 20:44:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:44:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:44:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-11-02 20:44:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-11-02 20:44:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:44:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:44:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-02 20:44:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-02 20:44:25,712 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2022-11-02 20:44:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2022-11-02 20:44:25,712 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock_irq [2022-11-02 20:44:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock_irq [2022-11-02 20:44:25,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:44:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:44:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:44:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:44:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_read_delay [2022-11-02 20:44:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_read_delay [2022-11-02 20:44:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-02 20:44:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-02 20:44:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-02 20:44:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-02 20:44:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 20:44:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 20:44:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_delay [2022-11-02 20:44:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_delay [2022-11-02 20:44:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-02 20:44:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-02 20:44:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-02 20:44:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-02 20:44:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:44:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:44:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 20:44:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 20:44:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:44:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-02 20:44:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-02 20:44:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2022-11-02 20:44:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2022-11-02 20:44:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-02 20:44:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-02 20:44:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure __torture_print_stats [2022-11-02 20:44:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __torture_print_stats [2022-11-02 20:44:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2022-11-02 20:44:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2022-11-02 20:44:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-02 20:44:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-02 20:44:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock [2022-11-02 20:44:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock [2022-11-02 20:44:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock [2022-11-02 20:44:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock [2022-11-02 20:44:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:44:26,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:26,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:44:26,575 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:44:27,875 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:44:27,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:44:27,893 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:44:27,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:27 BoogieIcfgContainer [2022-11-02 20:44:27,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:44:27,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:44:27,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:44:27,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:44:27,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:44:21" (1/3) ... [2022-11-02 20:44:27,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15240209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:27, skipping insertion in model container [2022-11-02 20:44:27,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:25" (2/3) ... [2022-11-02 20:44:27,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15240209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:27, skipping insertion in model container [2022-11-02 20:44:27,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:27" (3/3) ... [2022-11-02 20:44:27,906 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2022-11-02 20:44:27,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:44:27,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-02 20:44:27,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:44:28,006 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;@5e616234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:44:28,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-02 20:44:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 959 states, 646 states have (on average 1.3095975232198143) internal successors, (846), 706 states have internal predecessors, (846), 201 states have call successors, (201), 81 states have call predecessors, (201), 80 states have return successors, (193), 185 states have call predecessors, (193), 193 states have call successors, (193) [2022-11-02 20:44:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:44:28,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:28,031 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] [2022-11-02 20:44:28,032 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)] === [2022-11-02 20:44:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:28,039 INFO L85 PathProgramCache]: Analyzing trace with hash -192389351, now seen corresponding path program 1 times [2022-11-02 20:44:28,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:28,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979230689] [2022-11-02 20:44:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:28,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:28,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979230689] [2022-11-02 20:44:28,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979230689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:28,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:28,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:44:28,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361686271] [2022-11-02 20:44:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:28,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:44:28,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:28,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:44:28,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:44:28,906 INFO L87 Difference]: Start difference. First operand has 959 states, 646 states have (on average 1.3095975232198143) internal successors, (846), 706 states have internal predecessors, (846), 201 states have call successors, (201), 81 states have call predecessors, (201), 80 states have return successors, (193), 185 states have call predecessors, (193), 193 states have call successors, (193) 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) [2022-11-02 20:44:29,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:29,367 INFO L93 Difference]: Finished difference Result 2259 states and 3174 transitions. [2022-11-02 20:44:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:44:29,369 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 [2022-11-02 20:44:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:29,400 INFO L225 Difference]: With dead ends: 2259 [2022-11-02 20:44:29,400 INFO L226 Difference]: Without dead ends: 1290 [2022-11-02 20:44:29,417 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 [2022-11-02 20:44:29,423 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 314 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:29,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 2914 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:44:29,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-11-02 20:44:29,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 945. [2022-11-02 20:44:29,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 642 states have (on average 1.2523364485981308) internal successors, (804), 695 states have internal predecessors, (804), 193 states have call successors, (193), 80 states have call predecessors, (193), 79 states have return successors, (191), 183 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-02 20:44:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1188 transitions. [2022-11-02 20:44:29,582 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1188 transitions. Word has length 26 [2022-11-02 20:44:29,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:29,583 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1188 transitions. [2022-11-02 20:44:29,583 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) [2022-11-02 20:44:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1188 transitions. [2022-11-02 20:44:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:44:29,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:29,595 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] [2022-11-02 20:44:29,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:44:29,595 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)] === [2022-11-02 20:44:29,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:29,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1876789480, now seen corresponding path program 1 times [2022-11-02 20:44:29,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:29,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473456948] [2022-11-02 20:44:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:31,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:31,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473456948] [2022-11-02 20:44:31,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473456948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:31,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:31,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:44:31,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111229843] [2022-11-02 20:44:31,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:31,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:44:31,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:44:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:44:31,822 INFO L87 Difference]: Start difference. First operand 945 states and 1188 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) [2022-11-02 20:44:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:35,075 INFO L93 Difference]: Finished difference Result 2964 states and 3704 transitions. [2022-11-02 20:44:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:44:35,076 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 [2022-11-02 20:44:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:35,092 INFO L225 Difference]: With dead ends: 2964 [2022-11-02 20:44:35,092 INFO L226 Difference]: Without dead ends: 2053 [2022-11-02 20:44:35,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:44:35,098 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 1437 mSDsluCounter, 8286 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 10022 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:35,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 10022 Invalid, 2144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [73 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-02 20:44:35,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2022-11-02 20:44:35,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1793. [2022-11-02 20:44:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1244 states have (on average 1.2532154340836013) internal successors, (1559), 1317 states have internal predecessors, (1559), 355 states have call successors, (355), 165 states have call predecessors, (355), 163 states have return successors, (362), 337 states have call predecessors, (362), 353 states have call successors, (362) [2022-11-02 20:44:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2276 transitions. [2022-11-02 20:44:35,224 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2276 transitions. Word has length 28 [2022-11-02 20:44:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:35,225 INFO L495 AbstractCegarLoop]: Abstraction has 1793 states and 2276 transitions. [2022-11-02 20:44:35,225 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) [2022-11-02 20:44:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2276 transitions. [2022-11-02 20:44:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:44:35,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:35,227 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] [2022-11-02 20:44:35,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:44:35,228 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)] === [2022-11-02 20:44:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1675116871, now seen corresponding path program 1 times [2022-11-02 20:44:35,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:35,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265434256] [2022-11-02 20:44:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:35,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:37,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:37,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265434256] [2022-11-02 20:44:37,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265434256] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:44:37,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179857356] [2022-11-02 20:44:37,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:37,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:44:37,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:37,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:44:37,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:44:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:37,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-02 20:44:37,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:44:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,235 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-02 20:44:38,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 76 [2022-11-02 20:44:38,265 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-02 20:44:38,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:38,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:44:38,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:44:38,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:44:38,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 [2022-11-02 20:44:38,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:44:38,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 20 [2022-11-02 20:44:38,868 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 20:44:38,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2022-11-02 20:44:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:38,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:44:50,358 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_176) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_176 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_175) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:44:50,377 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_176) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_176 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_175) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:44:50,441 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:44:50,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:50,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:50,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:50,519 INFO L356 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2022-11-02 20:44:50,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:50,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179857356] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:44:50,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:44:50,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2022-11-02 20:44:50,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071298513] [2022-11-02 20:44:50,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:44:50,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 20:44:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:50,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:44:50,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=446, Unknown=12, NotChecked=86, Total=600 [2022-11-02 20:44:50,874 INFO L87 Difference]: Start difference. First operand 1793 states and 2276 transitions. Second operand has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 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) [2022-11-02 20:44:57,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:57,864 INFO L93 Difference]: Finished difference Result 4142 states and 5271 transitions. [2022-11-02 20:44:57,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:44:57,865 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 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 [2022-11-02 20:44:57,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:57,877 INFO L225 Difference]: With dead ends: 4142 [2022-11-02 20:44:57,878 INFO L226 Difference]: Without dead ends: 2384 [2022-11-02 20:44:57,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=132, Invalid=855, Unknown=13, NotChecked=122, Total=1122 [2022-11-02 20:44:57,884 INFO L413 NwaCegarLoop]: 1500 mSDtfsCounter, 1992 mSDsluCounter, 16061 mSDsCounter, 0 mSdLazyCounter, 4020 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 17561 SdHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 4020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 529 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:57,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 17561 Invalid, 5504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [955 Valid, 4020 Invalid, 0 Unknown, 529 Unchecked, 5.0s Time] [2022-11-02 20:44:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2022-11-02 20:44:58,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2044. [2022-11-02 20:44:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2044 states, 1439 states have (on average 1.266851980542043) internal successors, (1823), 1513 states have internal predecessors, (1823), 395 states have call successors, (395), 181 states have call predecessors, (395), 179 states have return successors, (402), 375 states have call predecessors, (402), 393 states have call successors, (402) [2022-11-02 20:44:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 2620 transitions. [2022-11-02 20:44:58,076 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 2620 transitions. Word has length 31 [2022-11-02 20:44:58,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:58,076 INFO L495 AbstractCegarLoop]: Abstraction has 2044 states and 2620 transitions. [2022-11-02 20:44:58,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 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) [2022-11-02 20:44:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2620 transitions. [2022-11-02 20:44:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:44:58,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:58,078 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:58,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:44:58,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:44:58,299 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)] === [2022-11-02 20:44:58,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash 356279481, now seen corresponding path program 1 times [2022-11-02 20:44:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:58,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940174173] [2022-11-02 20:44:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:58,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:58,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940174173] [2022-11-02 20:44:58,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940174173] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:44:58,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373199542] [2022-11-02 20:44:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:58,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:44:58,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:58,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:44:58,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:44:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-02 20:44:59,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:44:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:44:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:44:59,218 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-02 20:44:59,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 76 [2022-11-02 20:44:59,254 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-02 20:44:59,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:44:59,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:44:59,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:44:59,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 [2022-11-02 20:44:59,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:44:59,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 20 [2022-11-02 20:44:59,696 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 20:44:59,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2022-11-02 20:44:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:59,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:07,693 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_285 (Array Int Int)) (v_ArrVal_286 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_286) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_286 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_285) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:45:07,709 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_285 (Array Int Int)) (v_ArrVal_286 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_286) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_286 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_285) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:45:07,762 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:45:07,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:07,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:07,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:07,812 INFO L356 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2022-11-02 20:45:07,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:07,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373199542] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:07,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:45:07,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 12 [2022-11-02 20:45:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597510885] [2022-11-02 20:45:07,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:07,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:45:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:07,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:45:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=8, NotChecked=66, Total=380 [2022-11-02 20:45:07,989 INFO L87 Difference]: Start difference. First operand 2044 states and 2620 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:45:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:18,195 INFO L93 Difference]: Finished difference Result 5457 states and 7456 transitions. [2022-11-02 20:45:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 20:45:18,196 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 4 states have call successors, (6), 4 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 32 [2022-11-02 20:45:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:18,220 INFO L225 Difference]: With dead ends: 5457 [2022-11-02 20:45:18,220 INFO L226 Difference]: Without dead ends: 4237 [2022-11-02 20:45:18,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=8, NotChecked=102, Total=812 [2022-11-02 20:45:18,227 INFO L413 NwaCegarLoop]: 3108 mSDtfsCounter, 3018 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 6336 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 25361 SdHoareTripleChecker+Invalid, 8148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 6336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1097 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:18,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 25361 Invalid, 8148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [715 Valid, 6336 Invalid, 0 Unknown, 1097 Unchecked, 8.9s Time] [2022-11-02 20:45:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4237 states. [2022-11-02 20:45:18,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4237 to 2052. [2022-11-02 20:45:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2052 states, 1445 states have (on average 1.2664359861591696) internal successors, (1830), 1520 states have internal predecessors, (1830), 396 states have call successors, (396), 182 states have call predecessors, (396), 180 states have return successors, (403), 375 states have call predecessors, (403), 394 states have call successors, (403) [2022-11-02 20:45:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2629 transitions. [2022-11-02 20:45:18,509 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2629 transitions. Word has length 32 [2022-11-02 20:45:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:18,509 INFO L495 AbstractCegarLoop]: Abstraction has 2052 states and 2629 transitions. [2022-11-02 20:45:18,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:45:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2629 transitions. [2022-11-02 20:45:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 20:45:18,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:18,511 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] [2022-11-02 20:45:18,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:18,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:18,727 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-02 20:45:18,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:18,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1407947960, now seen corresponding path program 2 times [2022-11-02 20:45:18,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:18,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518680818] [2022-11-02 20:45:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:45:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:20,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:20,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518680818] [2022-11-02 20:45:20,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518680818] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:20,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051220450] [2022-11-02 20:45:20,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:45:20,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:20,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:20,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:45:21,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:45:21,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:21,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-02 20:45:21,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:21,360 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-02 20:45:21,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 72 [2022-11-02 20:45:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:21,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:45:21,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:45:21,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:45:21,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:45:21,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:45:21,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 [2022-11-02 20:45:21,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:45:21,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 36 treesize of output 20 [2022-11-02 20:45:21,951 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 20:45:21,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 19 [2022-11-02 20:45:21,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:21,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:45:23,647 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|) (+ |~#cxt~0.offset| 13) .cse0)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:45:23,657 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_409 (Array Int Int)) (v_ArrVal_410 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_409) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_409 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_410) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:45:23,675 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_409 (Array Int Int)) (v_ArrVal_410 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_409) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_409 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_410) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:45:23,699 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_409 (Array Int Int)) (v_ArrVal_410 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_409) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_409 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_410) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:45:23,761 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:45:23,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:23,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:23,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:23,827 INFO L356 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2022-11-02 20:45:23,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:24,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051220450] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:24,011 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:45:24,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2022-11-02 20:45:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310523475] [2022-11-02 20:45:24,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:45:24,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-02 20:45:24,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:24,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-02 20:45:24,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=364, Unknown=4, NotChecked=164, Total=600 [2022-11-02 20:45:24,013 INFO L87 Difference]: Start difference. First operand 2052 states and 2629 transitions. Second operand has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 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) [2022-11-02 20:45:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:37,122 INFO L93 Difference]: Finished difference Result 5698 states and 7227 transitions. [2022-11-02 20:45:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 20:45:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 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 34 [2022-11-02 20:45:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:37,145 INFO L225 Difference]: With dead ends: 5698 [2022-11-02 20:45:37,145 INFO L226 Difference]: Without dead ends: 4492 [2022-11-02 20:45:37,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=265, Invalid=1007, Unknown=4, NotChecked=284, Total=1560 [2022-11-02 20:45:37,152 INFO L413 NwaCegarLoop]: 2566 mSDtfsCounter, 3513 mSDsluCounter, 20567 mSDsCounter, 0 mSdLazyCounter, 8334 mSolverCounterSat, 1800 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3514 SdHoareTripleChecker+Valid, 23133 SdHoareTripleChecker+Invalid, 11341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1800 IncrementalHoareTripleChecker+Valid, 8334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1207 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:37,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3514 Valid, 23133 Invalid, 11341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1800 Valid, 8334 Invalid, 0 Unknown, 1207 Unchecked, 11.3s Time] [2022-11-02 20:45:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2022-11-02 20:45:37,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 3752. [2022-11-02 20:45:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3752 states, 2643 states have (on average 1.2595535376466136) internal successors, (3329), 2767 states have internal predecessors, (3329), 734 states have call successors, (734), 352 states have call predecessors, (734), 344 states have return successors, (756), 691 states have call predecessors, (756), 732 states have call successors, (756) [2022-11-02 20:45:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3752 states and 4819 transitions. [2022-11-02 20:45:37,548 INFO L78 Accepts]: Start accepts. Automaton has 3752 states and 4819 transitions. Word has length 34 [2022-11-02 20:45:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:37,550 INFO L495 AbstractCegarLoop]: Abstraction has 3752 states and 4819 transitions. [2022-11-02 20:45:37,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 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) [2022-11-02 20:45:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3752 states and 4819 transitions. [2022-11-02 20:45:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:45:37,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:37,552 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] [2022-11-02 20:45:37,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:37,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:37,766 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-11-02 20:45:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1168508767, now seen corresponding path program 1 times [2022-11-02 20:45:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:37,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004136355] [2022-11-02 20:45:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:45:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:45:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:37,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004136355] [2022-11-02 20:45:37,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004136355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:37,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:37,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:37,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751410168] [2022-11-02 20:45:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:37,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:37,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:37,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:37,925 INFO L87 Difference]: Start difference. First operand 3752 states and 4819 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) [2022-11-02 20:45:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:38,324 INFO L93 Difference]: Finished difference Result 6210 states and 7999 transitions. [2022-11-02 20:45:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:38,324 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 [2022-11-02 20:45:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:38,343 INFO L225 Difference]: With dead ends: 6210 [2022-11-02 20:45:38,343 INFO L226 Difference]: Without dead ends: 3696 [2022-11-02 20:45:38,352 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 [2022-11-02 20:45:38,353 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 1167 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1178 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 [2022-11-02 20:45:38,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:45:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-11-02 20:45:38,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3694. [2022-11-02 20:45:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 2602 states have (on average 1.2548039969254419) internal successors, (3265), 2725 states have internal predecessors, (3265), 725 states have call successors, (725), 344 states have call predecessors, (725), 336 states have return successors, (747), 683 states have call predecessors, (747), 723 states have call successors, (747) [2022-11-02 20:45:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 4737 transitions. [2022-11-02 20:45:38,794 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 4737 transitions. Word has length 36 [2022-11-02 20:45:38,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:38,794 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 4737 transitions. [2022-11-02 20:45:38,794 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) [2022-11-02 20:45:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 4737 transitions. [2022-11-02 20:45:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-02 20:45:38,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:38,796 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] [2022-11-02 20:45:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:45:38,796 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)] === [2022-11-02 20:45:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash 753319847, now seen corresponding path program 3 times [2022-11-02 20:45:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621341328] [2022-11-02 20:45:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:38,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:45:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:41,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:41,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621341328] [2022-11-02 20:45:41,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621341328] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:45:41,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200682112] [2022-11-02 20:45:41,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:45:41,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:45:41,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:41,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:45:41,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:45:42,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-02 20:45:42,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:45:42,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 222 conjunts are in the unsatisfiable core [2022-11-02 20:45:42,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:45:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,688 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-02 20:45:48,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 76 [2022-11-02 20:45:48,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:45:48,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:45:50,582 INFO L356 Elim1Store]: treesize reduction 316, result has 50.1 percent of original size [2022-11-02 20:45:50,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:45:56,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:45:56,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:45:59,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:45:59,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:46:02,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:46:02,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:46:05,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:46:05,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 30 [2022-11-02 20:46:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:08,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:46:08,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:08,747 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 20:46:08,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 82 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 19 [2022-11-02 20:46:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:08,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:09,081 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_604) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_604 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_603) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:09,098 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (not (= (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_604) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_604 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_603) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:09,119 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_604) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_604 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_603) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:09,141 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_604) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_604 (+ |c_~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_603) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2022-11-02 20:46:09,191 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:46:09,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:09,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:09,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:09,262 INFO L356 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2022-11-02 20:46:09,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:09,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200682112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:09,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:46:09,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2022-11-02 20:46:09,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656196701] [2022-11-02 20:46:09,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:09,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:46:09,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:09,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:46:09,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=492, Unknown=4, NotChecked=188, Total=756 [2022-11-02 20:46:09,523 INFO L87 Difference]: Start difference. First operand 3694 states and 4737 transitions. Second operand has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 18 states have internal predecessors, (56), 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) [2022-11-02 20:46:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:52,061 INFO L93 Difference]: Finished difference Result 6792 states and 8767 transitions. [2022-11-02 20:46:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:46:52,061 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 18 states have internal predecessors, (56), 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 37 [2022-11-02 20:46:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:52,085 INFO L225 Difference]: With dead ends: 6792 [2022-11-02 20:46:52,085 INFO L226 Difference]: Without dead ends: 3959 [2022-11-02 20:46:52,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=154, Invalid=850, Unknown=4, NotChecked=252, Total=1260 [2022-11-02 20:46:52,095 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 2473 mSDsluCounter, 14550 mSDsCounter, 0 mSdLazyCounter, 5073 mSolverCounterSat, 1163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 16080 SdHoareTripleChecker+Invalid, 6834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 5073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 598 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:52,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 16080 Invalid, 6834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1163 Valid, 5073 Invalid, 0 Unknown, 598 Unchecked, 16.7s Time] [2022-11-02 20:46:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2022-11-02 20:46:53,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 2457. [2022-11-02 20:46:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 1765 states have (on average 1.2753541076487251) internal successors, (2251), 1846 states have internal predecessors, (2251), 459 states have call successors, (459), 204 states have call predecessors, (459), 202 states have return successors, (468), 432 states have call predecessors, (468), 457 states have call successors, (468) [2022-11-02 20:46:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 3178 transitions. [2022-11-02 20:46:53,362 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 3178 transitions. Word has length 37 [2022-11-02 20:46:53,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:53,362 INFO L495 AbstractCegarLoop]: Abstraction has 2457 states and 3178 transitions. [2022-11-02 20:46:53,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 18 states have internal predecessors, (56), 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) [2022-11-02 20:46:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 3178 transitions. [2022-11-02 20:46:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:46:53,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:53,365 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-02 20:46:53,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:46:53,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-02 20:46:53,578 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-02 20:46:53,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1845342809, now seen corresponding path program 2 times [2022-11-02 20:46:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:53,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844318942] [2022-11-02 20:46:53,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:53,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844318942] [2022-11-02 20:46:53,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844318942] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:53,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619538380] [2022-11-02 20:46:53,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:46:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:46:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:53,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:46:53,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:46:54,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:46:54,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:46:54,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-02 20:46:54,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:46:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,979 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-02 20:46:54,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 76 [2022-11-02 20:46:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:55,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:46:55,031 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-02 20:46:55,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:55,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:46:55,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:46:55,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:46:55,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:46:55,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:46:55,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:46:55,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:46:55,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 [2022-11-02 20:46:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:46:55,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:46:55,675 INFO L356 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2022-11-02 20:46:55,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 19 [2022-11-02 20:46:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:55,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:46:56,876 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|) (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2022-11-02 20:46:57,817 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.base| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|) (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)))))) is different from false [2022-11-02 20:46:57,827 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_742) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_742 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_741) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:57,843 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (not (= (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_742) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_742 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_741) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:57,871 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_742) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_742 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_741) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:57,902 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24))) (select (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_742) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store v_ArrVal_742 (+ |~#cxt~0.offset| 13) .cse0)) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_741) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) |#funAddr~torture_mutex_unlock.base|))) is different from false [2022-11-02 20:46:57,956 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:46:57,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:57,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:57,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:58,009 INFO L356 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2022-11-02 20:46:58,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:46:58,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619538380] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:46:58,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:46:58,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2022-11-02 20:46:58,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841958641] [2022-11-02 20:46:58,179 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:46:58,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-02 20:46:58,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:58,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-02 20:46:58,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=329, Unknown=6, NotChecked=246, Total=650 [2022-11-02 20:46:58,181 INFO L87 Difference]: Start difference. First operand 2457 states and 3178 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:15,881 INFO L93 Difference]: Finished difference Result 9754 states and 13652 transitions. [2022-11-02 20:47:15,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:47:15,882 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (6), 4 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 38 [2022-11-02 20:47:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:15,927 INFO L225 Difference]: With dead ends: 9754 [2022-11-02 20:47:15,927 INFO L226 Difference]: Without dead ends: 7969 [2022-11-02 20:47:15,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=184, Invalid=890, Unknown=6, NotChecked=402, Total=1482 [2022-11-02 20:47:15,936 INFO L413 NwaCegarLoop]: 4604 mSDtfsCounter, 3824 mSDsluCounter, 37919 mSDsCounter, 0 mSdLazyCounter, 10153 mSolverCounterSat, 982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4359 SdHoareTripleChecker+Valid, 42523 SdHoareTripleChecker+Invalid, 12781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 982 IncrementalHoareTripleChecker+Valid, 10153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1646 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:15,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4359 Valid, 42523 Invalid, 12781 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [982 Valid, 10153 Invalid, 0 Unknown, 1646 Unchecked, 10.8s Time] [2022-11-02 20:47:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7969 states. [2022-11-02 20:47:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7969 to 2737. [2022-11-02 20:47:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1957 states have (on average 1.2677567705671946) internal successors, (2481), 2039 states have internal predecessors, (2481), 510 states have call successors, (510), 241 states have call predecessors, (510), 239 states have return successors, (523), 482 states have call predecessors, (523), 508 states have call successors, (523) [2022-11-02 20:47:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3514 transitions. [2022-11-02 20:47:17,117 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3514 transitions. Word has length 38 [2022-11-02 20:47:17,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:17,118 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3514 transitions. [2022-11-02 20:47:17,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3514 transitions. [2022-11-02 20:47:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-02 20:47:17,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:17,120 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] [2022-11-02 20:47:17,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:47:17,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:47:17,346 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-11-02 20:47:17,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:17,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2121270696, now seen corresponding path program 4 times [2022-11-02 20:47:17,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:17,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295127126] [2022-11-02 20:47:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:19,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:19,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295127126] [2022-11-02 20:47:19,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295127126] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:47:19,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939130125] [2022-11-02 20:47:19,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 20:47:19,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:47:19,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:47:19,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:47:19,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:47:20,229 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 20:47:20,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:47:20,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-02 20:47:20,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:47:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 62 [2022-11-02 20:47:20,412 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-02 20:47:20,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:47:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:47:20,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 72 [2022-11-02 20:47:20,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:47:20,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:47:20,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:47:20,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:47:20,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:47:20,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:47:20,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-02 20:47:20,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-02 20:47:21,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 20 [2022-11-02 20:47:21,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 [2022-11-02 20:47:21,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 20 [2022-11-02 20:47:21,174 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 20:47:21,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2022-11-02 20:47:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:21,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:47:22,192 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|) (+ |~#cxt~0.offset| 13) .cse0)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:47:23,071 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|) (+ |~#cxt~0.offset| 13) .cse0)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:47:23,081 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_894 (Array Int Int)) (v_ArrVal_893 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_893) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_893 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_894) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:47:23,098 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_894 (Array Int Int)) (v_ArrVal_893 (Array Int Int))) (not (= (let ((.cse1 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_893) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_893 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_894) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:47:23,125 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_894 (Array Int Int)) (v_ArrVal_893 (Array Int Int))) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse1 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8) 24))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_893) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_893 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_894) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0)))))) is different from false [2022-11-02 20:47:23,157 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_894 (Array Int Int)) (v_ArrVal_893 (Array Int Int))) (not (= (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_893) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_893 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_894) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:47:23,179 WARN L833 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int) (v_ArrVal_894 (Array Int Int)) (v_ArrVal_893 (Array Int Int))) (not (= (let ((.cse1 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| v_ArrVal_893) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store v_ArrVal_893 (+ |~#cxt~0.offset| 13) .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| v_ArrVal_894) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse1)) .cse0))) |#funAddr~torture_mutex_unlock.offset|))) is different from false [2022-11-02 20:47:23,234 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:47:23,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:47:23,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:47:23,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:47:23,301 INFO L356 Elim1Store]: treesize reduction 15, result has 50.0 percent of original size [2022-11-02 20:47:23,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:47:23,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939130125] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:47:23,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:47:23,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2022-11-02 20:47:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875595776] [2022-11-02 20:47:23,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:47:23,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-02 20:47:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-02 20:47:23,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=595, Unknown=7, NotChecked=378, Total=1056 [2022-11-02 20:47:23,520 INFO L87 Difference]: Start difference. First operand 2737 states and 3514 transitions. Second operand has 22 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 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) [2022-11-02 20:47:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:34,229 INFO L93 Difference]: Finished difference Result 5847 states and 7607 transitions. [2022-11-02 20:47:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:47:34,229 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 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 40 [2022-11-02 20:47:34,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:34,246 INFO L225 Difference]: With dead ends: 5847 [2022-11-02 20:47:34,246 INFO L226 Difference]: Without dead ends: 4147 [2022-11-02 20:47:34,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=182, Invalid=1245, Unknown=7, NotChecked=546, Total=1980 [2022-11-02 20:47:34,253 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 2751 mSDsluCounter, 18481 mSDsCounter, 0 mSdLazyCounter, 6185 mSolverCounterSat, 1276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 20064 SdHoareTripleChecker+Invalid, 8141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 6185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 680 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:34,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 20064 Invalid, 8141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1276 Valid, 6185 Invalid, 0 Unknown, 680 Unchecked, 6.7s Time] [2022-11-02 20:47:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4147 states. [2022-11-02 20:47:35,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4147 to 3032. [2022-11-02 20:47:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2185 states have (on average 1.2759725400457667) internal successors, (2788), 2269 states have internal predecessors, (2788), 558 states have call successors, (558), 260 states have call predecessors, (558), 258 states have return successors, (573), 528 states have call predecessors, (573), 556 states have call successors, (573) [2022-11-02 20:47:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3919 transitions. [2022-11-02 20:47:35,544 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3919 transitions. Word has length 40 [2022-11-02 20:47:35,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:35,545 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 3919 transitions. [2022-11-02 20:47:35,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 3.3) internal successors, (66), 22 states have internal predecessors, (66), 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) [2022-11-02 20:47:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3919 transitions. [2022-11-02 20:47:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-02 20:47:35,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:35,546 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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] [2022-11-02 20:47:35,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:47:35,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-02 20:47:35,751 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)] === [2022-11-02 20:47:35,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1367618104, now seen corresponding path program 3 times [2022-11-02 20:47:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:35,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165758884] [2022-11-02 20:47:35,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:36,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165758884] [2022-11-02 20:47:36,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165758884] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:47:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543976253] [2022-11-02 20:47:36,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:47:36,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:47:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:47:36,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:47:36,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:47:37,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-02 20:47:37,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:47:37,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:47:37,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:47:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:37,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:47:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:37,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543976253] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:47:37,462 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:47:37,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-11-02 20:47:37,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861364961] [2022-11-02 20:47:37,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:47:37,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 20:47:37,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:37,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:47:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:47:37,464 INFO L87 Difference]: Start difference. First operand 3032 states and 3919 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 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) [2022-11-02 20:47:47,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:47,716 INFO L93 Difference]: Finished difference Result 9795 states and 13948 transitions. [2022-11-02 20:47:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:47:47,718 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 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 41 [2022-11-02 20:47:47,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:47,753 INFO L225 Difference]: With dead ends: 9795 [2022-11-02 20:47:47,754 INFO L226 Difference]: Without dead ends: 8010 [2022-11-02 20:47:47,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:47:47,762 INFO L413 NwaCegarLoop]: 4255 mSDtfsCounter, 6660 mSDsluCounter, 21171 mSDsCounter, 0 mSdLazyCounter, 4453 mSolverCounterSat, 1825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7423 SdHoareTripleChecker+Valid, 25426 SdHoareTripleChecker+Invalid, 6278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 4453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:47,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7423 Valid, 25426 Invalid, 6278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1825 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-02 20:47:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8010 states. [2022-11-02 20:47:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8010 to 3045. [2022-11-02 20:47:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2198 states have (on average 1.2743403093721566) internal successors, (2801), 2282 states have internal predecessors, (2801), 558 states have call successors, (558), 260 states have call predecessors, (558), 258 states have return successors, (573), 528 states have call predecessors, (573), 556 states have call successors, (573) [2022-11-02 20:47:49,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 3932 transitions. [2022-11-02 20:47:49,354 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 3932 transitions. Word has length 41 [2022-11-02 20:47:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:49,355 INFO L495 AbstractCegarLoop]: Abstraction has 3045 states and 3932 transitions. [2022-11-02 20:47:49,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 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) [2022-11-02 20:47:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3932 transitions. [2022-11-02 20:47:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-02 20:47:49,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:49,356 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] [2022-11-02 20:47:49,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:47:49,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a939e6f-40ed-4144-8b53-63d8567376f0/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:47:49,557 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-11-02 20:47:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1262413276, now seen corresponding path program 1 times [2022-11-02 20:47:49,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:49,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824923700] [2022-11-02 20:47:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:49,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:47:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:47:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:49,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:49,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824923700] [2022-11-02 20:47:49,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824923700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:49,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:49,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:47:49,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725395252] [2022-11-02 20:47:49,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:49,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:47:49,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:49,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:47:49,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:47:49,780 INFO L87 Difference]: Start difference. First operand 3045 states and 3932 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) [2022-11-02 20:47:50,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:50,998 INFO L93 Difference]: Finished difference Result 3129 states and 4045 transitions. [2022-11-02 20:47:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:50,998 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 [2022-11-02 20:47:50,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:51,009 INFO L225 Difference]: With dead ends: 3129 [2022-11-02 20:47:51,009 INFO L226 Difference]: Without dead ends: 3127 [2022-11-02 20:47:51,011 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 [2022-11-02 20:47:51,012 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 33 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 3521 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:47:51,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-11-02 20:47:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3061. [2022-11-02 20:47:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 2214 states have (on average 1.2723577235772359) internal successors, (2817), 2298 states have internal predecessors, (2817), 558 states have call successors, (558), 260 states have call predecessors, (558), 258 states have return successors, (573), 528 states have call predecessors, (573), 556 states have call successors, (573) [2022-11-02 20:47:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 3948 transitions. [2022-11-02 20:47:52,396 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 3948 transitions. Word has length 43 [2022-11-02 20:47:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:52,396 INFO L495 AbstractCegarLoop]: Abstraction has 3061 states and 3948 transitions. [2022-11-02 20:47:52,397 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) [2022-11-02 20:47:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3948 transitions. [2022-11-02 20:47:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-02 20:47:52,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:52,399 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] [2022-11-02 20:47:52,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:47:52,399 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-11-02 20:47:52,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1262472858, now seen corresponding path program 1 times [2022-11-02 20:47:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:52,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4152541] [2022-11-02 20:47:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:52,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat