./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu --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 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:34,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:34,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:34,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:34,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:34,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:34,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:34,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:34,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:34,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:34,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:34,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:34,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:34,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:34,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:34,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:34,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:34,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:34,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:34,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:34,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:34,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:34,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:34,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:34,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:34,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:34,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:34,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:34,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:34,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:34,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:34,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:34,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:34,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:34,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:34,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:34,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:34,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:34,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:34,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:34,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:34,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:48:34,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:34,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:34,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:34,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:34,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:34,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:34,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:34,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:34,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:34,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:34,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:34,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:34,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:34,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:34,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:34,549 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:34,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:34,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:34,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:34,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:34,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:34,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:34,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:34,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:34,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:34,553 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d [2021-11-23 15:48:34,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:34,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:34,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:34,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:34,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:34,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:48:34,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/6afdcac1d/fb01fdbfa7074b91a647bc1ca6168344/FLAGdd465cf0f [2021-11-23 15:48:35,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:35,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:48:35,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/6afdcac1d/fb01fdbfa7074b91a647bc1ca6168344/FLAGdd465cf0f [2021-11-23 15:48:36,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/6afdcac1d/fb01fdbfa7074b91a647bc1ca6168344 [2021-11-23 15:48:36,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:36,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:36,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:36,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:36,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:36,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:36" (1/1) ... [2021-11-23 15:48:36,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4431e6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:36, skipping insertion in model container [2021-11-23 15:48:36,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:36" (1/1) ... [2021-11-23 15:48:36,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:36,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:37,752 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2021-11-23 15:48:38,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:38,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:38,658 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2021-11-23 15:48:38,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:39,122 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:39,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39 WrapperNode [2021-11-23 15:48:39,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:39,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:39,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:39,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:39,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,467 INFO L137 Inliner]: procedures = 245, calls = 3306, calls flagged for inlining = 118, calls inlined = 118, statements flattened = 6412 [2021-11-23 15:48:39,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:39,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:39,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:39,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:39,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:39,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:39,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:39,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:39,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:39,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:39,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:39,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:39,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 15:48:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 15:48:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 15:48:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 15:48:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2021-11-23 15:48:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2021-11-23 15:48:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:48:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:48:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:48:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:48:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2021-11-23 15:48:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2021-11-23 15:48:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:48:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:48:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-11-23 15:48:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-11-23 15:48:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2021-11-23 15:48:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2021-11-23 15:48:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 15:48:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 15:48:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:48:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:48:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 15:48:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 15:48:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-11-23 15:48:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-11-23 15:48:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 15:48:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 15:48:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:48:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:48:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:48:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:48:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 15:48:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 15:48:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:48:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:48:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:48:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:48:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-23 15:48:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-23 15:48:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:48:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:48:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 15:48:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 15:48:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 15:48:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 15:48:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 15:48:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 15:48:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:48:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 15:48:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 15:48:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 15:48:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 15:48:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 15:48:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 15:48:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:48:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-11-23 15:48:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:48:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:48:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:48:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 15:48:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 15:48:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:48:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:48:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:48:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:48:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:48:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:48:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 15:48:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 15:48:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2021-11-23 15:48:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2021-11-23 15:48:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-11-23 15:48:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-11-23 15:48:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 15:48:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 15:48:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:48:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:48:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 15:48:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:48:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:48:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2021-11-23 15:48:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2021-11-23 15:48:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2021-11-23 15:48:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2021-11-23 15:48:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-11-23 15:48:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-11-23 15:48:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:48:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 15:48:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 15:48:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:48:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:48:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:48:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:48:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 15:48:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 15:48:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 15:48:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 15:48:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:48:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:48:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:48:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:48:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 15:48:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 15:48:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 15:48:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 15:48:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:48:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:48:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:48:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 15:48:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 15:48:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 15:48:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 15:48:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 15:48:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 15:48:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:48:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:48:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 15:48:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 15:48:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2021-11-23 15:48:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2021-11-23 15:48:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:48:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2021-11-23 15:48:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:48:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:48:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:48:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-23 15:48:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-23 15:48:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 15:48:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 15:48:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2021-11-23 15:48:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2021-11-23 15:48:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 15:48:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 15:48:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 15:48:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 15:48:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 15:48:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 15:48:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:48:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:48:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-23 15:48:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-23 15:48:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 15:48:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 15:48:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 15:48:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 15:48:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 15:48:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 15:48:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 15:48:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 15:48:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2021-11-23 15:48:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2021-11-23 15:48:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:48:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:48:40,893 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:40,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:41,197 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:41,201 INFO L158 Benchmark]: Toolchain (without parser) took 4942.48ms. Allocated memory was 132.1MB in the beginning and 306.2MB in the end (delta: 174.1MB). Free memory was 91.7MB in the beginning and 185.9MB in the end (delta: -94.3MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:41,202 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:41,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2864.10ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 91.4MB in the beginning and 105.9MB in the end (delta: -14.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:41,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 344.71ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 69.2MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:41,206 INFO L158 Benchmark]: Boogie Preprocessor took 440.56ms. Allocated memory was 172.0MB in the beginning and 306.2MB in the end (delta: 134.2MB). Free memory was 69.2MB in the beginning and 206.9MB in the end (delta: -137.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:41,207 INFO L158 Benchmark]: RCFGBuilder took 1288.39ms. Allocated memory is still 306.2MB. Free memory was 206.9MB in the beginning and 185.9MB in the end (delta: 21.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:41,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2864.10ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 91.4MB in the beginning and 105.9MB in the end (delta: -14.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 344.71ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 69.2MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 440.56ms. Allocated memory was 172.0MB in the beginning and 306.2MB in the end (delta: 134.2MB). Free memory was 69.2MB in the beginning and 206.9MB in the end (delta: -137.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1288.39ms. Allocated memory is still 306.2MB. Free memory was 206.9MB in the beginning and 185.9MB in the end (delta: 21.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:48:41,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu --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 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:43,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:43,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:43,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:43,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:43,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:43,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:43,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:43,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:43,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:43,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:43,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:43,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:43,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:43,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:43,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:43,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:43,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:43,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:43,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:43,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:43,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:43,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:43,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:43,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:43,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:43,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:43,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:43,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:43,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:43,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:43,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:44,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:44,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:44,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:44,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:44,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:44,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:44,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:44,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:44,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:44,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:48:44,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:44,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:44,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:44,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:44,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:44,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:44,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:44,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:44,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:44,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:44,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:44,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:44,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:44,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:44,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:44,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:44,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:44,067 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:44,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:44,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:44,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:44,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:44,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:44,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:44,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:44,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:44,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:44,069 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:44,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:44,070 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d [2021-11-23 15:48:44,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:44,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:44,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:44,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:44,522 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:44,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:48:44,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/046729285/0e1642febaaf423a9ab81f073ae503aa/FLAGcfb77dfcf [2021-11-23 15:48:45,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:45,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:48:45,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/046729285/0e1642febaaf423a9ab81f073ae503aa/FLAGcfb77dfcf [2021-11-23 15:48:45,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/data/046729285/0e1642febaaf423a9ab81f073ae503aa [2021-11-23 15:48:45,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:45,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:45,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:45,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:46,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:46,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:45" (1/1) ... [2021-11-23 15:48:46,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e28fd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:46, skipping insertion in model container [2021-11-23 15:48:46,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:45" (1/1) ... [2021-11-23 15:48:46,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:46,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:47,323 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2021-11-23 15:48:47,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:48,104 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:48:48,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:48,303 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2021-11-23 15:48:48,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:48,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:48,741 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_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2021-11-23 15:48:49,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:49,281 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:49,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49 WrapperNode [2021-11-23 15:48:49,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:49,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:49,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:49,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:49,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,670 INFO L137 Inliner]: procedures = 260, calls = 3306, calls flagged for inlining = 118, calls inlined = 118, statements flattened = 6259 [2021-11-23 15:48:49,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:49,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:49,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:49,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:49,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:50,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:50,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:50,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:50,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:50,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:50,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:50,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:50,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:50,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:50,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:50,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:50,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 15:48:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 15:48:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 15:48:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 15:48:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:48:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:48:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:48:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2021-11-23 15:48:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2021-11-23 15:48:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:48:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:48:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:48:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:48:50,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:48:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2021-11-23 15:48:50,264 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2021-11-23 15:48:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:48:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:48:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-11-23 15:48:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-11-23 15:48:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2021-11-23 15:48:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2021-11-23 15:48:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 15:48:50,266 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 15:48:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:48:50,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:48:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 15:48:50,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 15:48:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-11-23 15:48:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-11-23 15:48:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 15:48:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 15:48:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:48:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:48:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:48:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:48:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 15:48:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 15:48:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:48:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:48:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:48:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:48:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-23 15:48:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-23 15:48:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:48:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:48:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 15:48:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 15:48:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 15:48:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 15:48:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 15:48:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 15:48:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:48:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 15:48:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 15:48:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 15:48:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 15:48:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 15:48:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 15:48:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 15:48:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 15:48:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 15:48:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:48:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-11-23 15:48:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-11-23 15:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:48:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 15:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 15:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:48:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 15:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 15:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2021-11-23 15:48:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2021-11-23 15:48:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-11-23 15:48:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-11-23 15:48:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 15:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 15:48:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 15:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 15:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2021-11-23 15:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2021-11-23 15:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2021-11-23 15:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2021-11-23 15:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-11-23 15:48:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-11-23 15:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 15:48:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 15:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:48:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:48:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:48:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:48:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:48:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 15:48:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 15:48:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 15:48:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 15:48:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:48:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:48:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:48:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:48:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 15:48:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 15:48:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 15:48:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 15:48:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:48:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 15:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 15:48:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 15:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 15:48:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 15:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:48:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:48:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 15:48:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 15:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 15:48:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 15:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2021-11-23 15:48:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2021-11-23 15:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:48:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2021-11-23 15:48:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2021-11-23 15:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:48:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:48:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-23 15:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-23 15:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 15:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 15:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2021-11-23 15:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2021-11-23 15:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 15:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 15:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 15:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 15:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 15:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 15:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-23 15:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-23 15:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 15:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 15:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 15:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 15:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 15:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 15:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 15:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 15:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2021-11-23 15:48:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2021-11-23 15:48:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:48:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:48:51,099 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:51,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:51,798 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:51,801 INFO L158 Benchmark]: Toolchain (without parser) took 5806.92ms. Allocated memory was 56.6MB in the beginning and 228.6MB in the end (delta: 172.0MB). Free memory was 37.4MB in the beginning and 130.3MB in the end (delta: -92.9MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:51,802 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:51,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3286.83ms. Allocated memory was 56.6MB in the beginning and 228.6MB in the end (delta: 172.0MB). Free memory was 37.2MB in the beginning and 162.8MB in the end (delta: -125.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:51,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 387.11ms. Allocated memory is still 228.6MB. Free memory was 162.8MB in the beginning and 127.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:51,803 INFO L158 Benchmark]: Boogie Preprocessor took 488.86ms. Allocated memory is still 228.6MB. Free memory was 127.2MB in the beginning and 131.7MB in the end (delta: -4.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-23 15:48:51,804 INFO L158 Benchmark]: RCFGBuilder took 1636.94ms. Allocated memory is still 228.6MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.4MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:51,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3286.83ms. Allocated memory was 56.6MB in the beginning and 228.6MB in the end (delta: 172.0MB). Free memory was 37.2MB in the beginning and 162.8MB in the end (delta: -125.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 387.11ms. Allocated memory is still 228.6MB. Free memory was 162.8MB in the beginning and 127.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 488.86ms. Allocated memory is still 228.6MB. Free memory was 127.2MB in the beginning and 131.7MB in the end (delta: -4.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1636.94ms. Allocated memory is still 228.6MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.4MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:48:51,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7a2f4d-31a6-422f-a5ea-bec7666393d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable