./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.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_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- 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 16:56:56,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:56,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:56,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:56,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:56,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:56,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:56,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:56,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:56,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:56,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:56,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:56,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:56,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:56,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:56,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:56,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:56,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:56,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:56,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:56,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:56,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:56,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:56,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:56,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:56,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:56,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:56,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:56,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:56,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:56,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:56,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:56,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:56,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:56,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:56,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:56,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:56,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:56,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:56,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:56,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:56,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:56:56,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:56,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:56,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:56,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:56,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:56,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:56,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:56,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:56,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:56,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:56,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:56,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:56,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:56,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:56,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:56,439 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:56,439 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:56,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:56,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:56,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:56,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:56,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:56,440 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:56,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:56,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:56,441 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_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2022-10-17 16:56:56,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:56,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:56,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:56,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:56,781 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:56,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-10-17 16:56:56,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/data/0748bc32b/3d0c372f47b0405f8de4cee98ce76a9e/FLAGdf93551ec [2022-10-17 16:56:57,844 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:57,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-10-17 16:56:57,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/data/0748bc32b/3d0c372f47b0405f8de4cee98ce76a9e/FLAGdf93551ec [2022-10-17 16:56:58,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/data/0748bc32b/3d0c372f47b0405f8de4cee98ce76a9e [2022-10-17 16:56:58,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:58,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:58,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:58,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:58,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:58,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:58" (1/1) ... [2022-10-17 16:56:58,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0dc515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:58, skipping insertion in model container [2022-10-17 16:56:58,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:58" (1/1) ... [2022-10-17 16:56:58,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:58,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:00,627 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_e2e0c783-5a64-46f7-ae4c-5cc375dee532/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2022-10-17 16:57:00,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:00,841 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:01,223 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_e2e0c783-5a64-46f7-ae4c-5cc375dee532/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2022-10-17 16:57:01,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:01,464 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:01,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01 WrapperNode [2022-10-17 16:57:01,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:01,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:01,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:01,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:01,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:01,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:01,925 INFO L138 Inliner]: procedures = 286, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7871 [2022-10-17 16:57:01,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:01,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:01,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:01,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:01,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:01,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:01,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:01,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:02,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:02,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:02,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:02,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:01" (1/1) ... [2022-10-17 16:57:02,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:02,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e0c783-5a64-46f7-ae4c-5cc375dee532/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2022-10-17 16:57:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2022-10-17 16:57:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2022-10-17 16:57:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2022-10-17 16:57:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-17 16:57:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 16:57:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 16:57:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 16:57:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:57:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:57:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:57:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:57:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:57:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:57:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-17 16:57:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-17 16:57:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2022-10-17 16:57:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2022-10-17 16:57:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 16:57:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 16:57:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:57:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:57:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 16:57:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 16:57:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:57:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:57:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 16:57:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 16:57:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-17 16:57:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-17 16:57:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2022-10-17 16:57:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2022-10-17 16:57:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 16:57:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 16:57:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 16:57:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 16:57:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:57:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:57:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 16:57:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 16:57:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-17 16:57:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-17 16:57:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:57:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:57:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:57:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:57:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:57:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:57:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2022-10-17 16:57:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2022-10-17 16:57:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2022-10-17 16:57:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2022-10-17 16:57:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2022-10-17 16:57:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2022-10-17 16:57:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:57:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:57:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:57:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:57:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2022-10-17 16:57:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2022-10-17 16:57:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-10-17 16:57:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-10-17 16:57:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:57:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2022-10-17 16:57:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2022-10-17 16:57:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-10-17 16:57:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-10-17 16:57:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 16:57:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 16:57:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 16:57:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 16:57:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:57:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:57:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2022-10-17 16:57:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2022-10-17 16:57:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:57:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:57:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-10-17 16:57:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-10-17 16:57:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-17 16:57:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-17 16:57:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:57:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:57:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 16:57:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 16:57:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2022-10-17 16:57:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 16:57:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2022-10-17 16:57:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-10-17 16:57:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2022-10-17 16:57:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:57:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2022-10-17 16:57:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2022-10-17 16:57:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 16:57:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 16:57:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:57:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-17 16:57:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-17 16:57:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:57:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2022-10-17 16:57:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2022-10-17 16:57:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-17 16:57:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-17 16:57:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:57:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:57:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 16:57:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 16:57:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2022-10-17 16:57:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2022-10-17 16:57:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2022-10-17 16:57:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2022-10-17 16:57:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 16:57:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 16:57:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 16:57:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 16:57:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 16:57:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 16:57:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2022-10-17 16:57:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2022-10-17 16:57:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2022-10-17 16:57:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2022-10-17 16:57:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 16:57:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 16:57:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:57:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:57:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:57:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2022-10-17 16:57:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2022-10-17 16:57:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:57:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:57:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2022-10-17 16:57:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2022-10-17 16:57:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2022-10-17 16:57:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2022-10-17 16:57:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2022-10-17 16:57:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2022-10-17 16:57:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 16:57:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 16:57:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:57:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2022-10-17 16:57:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 16:57:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 16:57:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 16:57:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 16:57:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-17 16:57:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-17 16:57:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2022-10-17 16:57:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-17 16:57:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:57:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:57:03,327 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:03,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:03,629 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;