./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ --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 ac653d5d4bd645822c87d49861fb2a5e304e57a9bdc7e425845f1dc10a0731d2 --- 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-dbf71c6-m [2022-10-17 10:16:20,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:16:20,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:16:20,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:16:20,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:16:20,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:16:20,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:16:20,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:16:20,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:16:20,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:16:20,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:16:20,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:16:20,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:16:20,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:16:20,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:16:20,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:16:20,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:16:20,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:16:20,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:16:20,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:16:20,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:16:20,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:16:20,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:16:20,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:16:20,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:16:20,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:16:20,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:16:20,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:16:20,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:16:20,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:16:20,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:16:20,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:16:20,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:16:20,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:16:20,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:16:20,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:16:20,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:16:20,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:16:20,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:16:20,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:16:20,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:16:20,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:16:20,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:16:20,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:16:20,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:16:20,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:16:20,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:16:20,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:16:20,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:16:20,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:16:20,150 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:16:20,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:16:20,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:16:20,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:16:20,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:16:20,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:16:20,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:16:20,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:16:20,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:16:20,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:16:20,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:16:20,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:16:20,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:16:20,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:16:20,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:16:20,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:16:20,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:16:20,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:16:20,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:16:20,156 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:16:20,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:16:20,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:16:20,157 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_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac653d5d4bd645822c87d49861fb2a5e304e57a9bdc7e425845f1dc10a0731d2 [2022-10-17 10:16:20,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:16:20,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:16:20,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:16:20,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:16:20,464 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:16:20,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-17 10:16:20,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/data/da0b2e655/8b51f010bf80481da4009505555bb535/FLAG58e18865c [2022-10-17 10:16:21,347 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:16:21,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-17 10:16:21,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/data/da0b2e655/8b51f010bf80481da4009505555bb535/FLAG58e18865c [2022-10-17 10:16:21,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/data/da0b2e655/8b51f010bf80481da4009505555bb535 [2022-10-17 10:16:21,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:16:21,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:16:21,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:16:21,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:16:21,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:16:21,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:16:21" (1/1) ... [2022-10-17 10:16:21,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9d641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:21, skipping insertion in model container [2022-10-17 10:16:21,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:16:21" (1/1) ... [2022-10-17 10:16:21,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:16:22,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:16:24,376 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_76f67bc0-7473-4f54-8cc9-ec3058b29e35/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-10-17 10:16:24,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:16:24,562 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:16:25,092 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_76f67bc0-7473-4f54-8cc9-ec3058b29e35/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-10-17 10:16:25,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:16:25,311 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:16:25,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25 WrapperNode [2022-10-17 10:16:25,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:16:25,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:16:25,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:16:25,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:16:25,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:25,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:25,774 INFO L138 Inliner]: procedures = 373, calls = 2971, calls flagged for inlining = 172, calls inlined = 164, statements flattened = 5915 [2022-10-17 10:16:25,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:16:25,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:16:25,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:16:25,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:16:25,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:25,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:25,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:25,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:16:26,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:16:26,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:16:26,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:16:26,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (1/1) ... [2022-10-17 10:16:26,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:16:26,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:16:26,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:16:26,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f67bc0-7473-4f54-8cc9-ec3058b29e35/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:16:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-10-17 10:16:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-10-17 10:16:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-10-17 10:16:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-10-17 10:16:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-10-17 10:16:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-10-17 10:16:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-10-17 10:16:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-10-17 10:16:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:16:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:16:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 10:16:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 10:16:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:16:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:16:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 10:16:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 10:16:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-10-17 10:16:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-10-17 10:16:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-17 10:16:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-17 10:16:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-10-17 10:16:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-10-17 10:16:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-10-17 10:16:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-10-17 10:16:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-10-17 10:16:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-10-17 10:16:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-10-17 10:16:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-10-17 10:16:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:16:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:16:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:16:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:16:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-10-17 10:16:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-10-17 10:16:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-10-17 10:16:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-10-17 10:16:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-17 10:16:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-17 10:16:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:16:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:16:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 10:16:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 10:16:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:16:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:16:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-10-17 10:16:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-10-17 10:16:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-10-17 10:16:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-10-17 10:16:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 10:16:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 10:16:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-10-17 10:16:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-10-17 10:16:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-17 10:16:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-17 10:16:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:16:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:16:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2022-10-17 10:16:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2022-10-17 10:16:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-10-17 10:16:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-10-17 10:16:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-10-17 10:16:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-10-17 10:16:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-10-17 10:16:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-10-17 10:16:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-10-17 10:16:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-10-17 10:16:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-10-17 10:16:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-10-17 10:16:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:16:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:16:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-10-17 10:16:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-10-17 10:16:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:16:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:16:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:16:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:16:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:16:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:16:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:16:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-10-17 10:16:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-10-17 10:16:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-10-17 10:16:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-10-17 10:16:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-10-17 10:16:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-10-17 10:16:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-10-17 10:16:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-10-17 10:16:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-10-17 10:16:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-10-17 10:16:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-10-17 10:16:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-10-17 10:16:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:16:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:16:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:16:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:16:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-10-17 10:16:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-10-17 10:16:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-10-17 10:16:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-10-17 10:16:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:16:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:16:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-10-17 10:16:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-10-17 10:16:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:16:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:16:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-10-17 10:16:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-10-17 10:16:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:16:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:16:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:16:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:16:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-17 10:16:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-17 10:16:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-17 10:16:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-17 10:16:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:16:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:16:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-10-17 10:16:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-10-17 10:16:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-10-17 10:16:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-10-17 10:16:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:16:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:16:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:16:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:16:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-10-17 10:16:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-10-17 10:16:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-10-17 10:16:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-10-17 10:16:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:16:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:16:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-10-17 10:16:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-10-17 10:16:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-17 10:16:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-17 10:16:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 10:16:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 10:16:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-10-17 10:16:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-10-17 10:16:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:16:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:16:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-10-17 10:16:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-10-17 10:16:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-10-17 10:16:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-10-17 10:16:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-10-17 10:16:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-10-17 10:16:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-17 10:16:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-17 10:16:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-10-17 10:16:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-10-17 10:16:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-17 10:16:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-17 10:16:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:16:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-17 10:16:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-10-17 10:16:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-17 10:16:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-17 10:16:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:16:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:16:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-10-17 10:16:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-10-17 10:16:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-10-17 10:16:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-10-17 10:16:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:16:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:16:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:16:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:16:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-10-17 10:16:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-10-17 10:16:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 10:16:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 10:16:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:16:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:16:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-17 10:16:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-17 10:16:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:16:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-10-17 10:16:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-10-17 10:16:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-17 10:16:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 10:16:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 10:16:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:16:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:16:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-17 10:16:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-17 10:16:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-10-17 10:16:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-10-17 10:16:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-10-17 10:16:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:16:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:16:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:16:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:16:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:16:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-10-17 10:16:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-10-17 10:16:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:16:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-17 10:16:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-17 10:16:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-10-17 10:16:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-10-17 10:16:27,276 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:16:27,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:16:37,871 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:16:37,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:16:37,904 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:16:37,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:16:37 BoogieIcfgContainer [2022-10-17 10:16:37,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:16:37,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:16:37,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:16:37,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:16:37,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:16:21" (1/3) ... [2022-10-17 10:16:37,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1d567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:16:37, skipping insertion in model container [2022-10-17 10:16:37,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:25" (2/3) ... [2022-10-17 10:16:37,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1d567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:16:37, skipping insertion in model container [2022-10-17 10:16:37,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:16:37" (3/3) ... [2022-10-17 10:16:37,927 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-17 10:16:37,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:16:37,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:16:38,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:16:38,090 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;@36ae5bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:16:38,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:16:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 1845 states, 1279 states have (on average 1.3096168881939014) internal successors, (1675), 1313 states have internal predecessors, (1675), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) [2022-10-17 10:16:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 10:16:38,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:16:38,110 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] [2022-10-17 10:16:38,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:16:38,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:16:38,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1524047706, now seen corresponding path program 1 times [2022-10-17 10:16:38,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:16:38,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957501145] [2022-10-17 10:16:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:16:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:16:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:16:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:16:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:16:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:16:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:16:39,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:16:39,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957501145] [2022-10-17 10:16:39,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957501145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:16:39,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:16:39,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:16:39,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286395916] [2022-10-17 10:16:39,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:16:39,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:16:39,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:16:39,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:16:39,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:16:39,185 INFO L87 Difference]: Start difference. First operand has 1845 states, 1279 states have (on average 1.3096168881939014) internal successors, (1675), 1313 states have internal predecessors, (1675), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)