./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:11,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:11,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:11,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:11,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:11,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:11,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:11,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:11,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:11,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:11,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:11,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:11,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:11,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:11,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:11,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:11,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:11,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:11,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:11,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:11,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:11,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:11,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:11,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:11,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:11,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:11,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:11,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:11,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:11,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:11,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:11,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:11,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:11,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:11,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:11,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:11,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:11,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:11,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:11,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:11,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:11,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:55:11,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:11,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:11,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:11,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:11,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:11,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:11,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:11,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:11,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:11,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:11,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:11,360 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:11,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:11,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:11,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:11,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:11,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:11,361 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:11,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:11,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:11,362 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-11-23 15:55:11,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:11,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:11,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:11,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:11,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:11,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:55:11,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/b6736b709/dc14ea4c66c34895b6bdf7571920cad0/FLAG7efa99c7d [2021-11-23 15:55:12,665 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:12,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:55:12,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/b6736b709/dc14ea4c66c34895b6bdf7571920cad0/FLAG7efa99c7d [2021-11-23 15:55:13,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/b6736b709/dc14ea4c66c34895b6bdf7571920cad0 [2021-11-23 15:55:13,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:13,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:13,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:13,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:13,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:13,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c69905a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:13, skipping insertion in model container [2021-11-23 15:55:13,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:13,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:15,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 15:55:15,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:15,637 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:16,083 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 15:55:16,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:16,356 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:16,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16 WrapperNode [2021-11-23 15:55:16,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:16,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:16,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:16,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:16,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:16,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:16,845 INFO L137 Inliner]: procedures = 286, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7836 [2021-11-23 15:55:16,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:16,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:16,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:16,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:16,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:16,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:16,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:16,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:17,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:17,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:17,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:17,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:17,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:17,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:17,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 15:55:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 15:55:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 15:55:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 15:55:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 15:55:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 15:55:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 15:55:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:55:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:55:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:55:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:55:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:55:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 15:55:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 15:55:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:55:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:55:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:55:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:55:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:55:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:55:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 15:55:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 15:55:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 15:55:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 15:55:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 15:55:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 15:55:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:55:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:55:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 15:55:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 15:55:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 15:55:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 15:55:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:55:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:55:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:55:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:55:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 15:55:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 15:55:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 15:55:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 15:55:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 15:55:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 15:55:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:55:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:55:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:55:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 15:55:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 15:55:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 15:55:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 15:55:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 15:55:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 15:55:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 15:55:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 15:55:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 15:55:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 15:55:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:55:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:55:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:55:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:55:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-11-23 15:55:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-11-23 15:55:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:55:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:55:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 15:55:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 15:55:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:55:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:55:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:55:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:55:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 15:55:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 15:55:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 15:55:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 15:55:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 15:55:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 15:55:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 15:55:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 15:55:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-23 15:55:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-23 15:55:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:55:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 15:55:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 15:55:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:55:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 15:55:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 15:55:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 15:55:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 15:55:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:55:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:55:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:55:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:55:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 15:55:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 15:55:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 15:55:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 15:55:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:55:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:55:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 15:55:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 15:55:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 15:55:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 15:55:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 15:55:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 15:55:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 15:55:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 15:55:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-11-23 15:55:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-11-23 15:55:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:55:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:55:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 15:55:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 15:55:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 15:55:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 15:55:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 15:55:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 15:55:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:55:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:55:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 15:55:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 15:55:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 15:55:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 15:55:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 15:55:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 15:55:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:55:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:55:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:55:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:55:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:55:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-23 15:55:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-23 15:55:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:55:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:55:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:55:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:55:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 15:55:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 15:55:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 15:55:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 15:55:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 15:55:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 15:55:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 15:55:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 15:55:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 15:55:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 15:55:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 15:55:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 15:55:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 15:55:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 15:55:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 15:55:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 15:55:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 15:55:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 15:55:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:55:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:55:18,481 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:18,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:18,769 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:18,782 INFO L158 Benchmark]: Toolchain (without parser) took 5642.74ms. Allocated memory was 94.4MB in the beginning and 276.8MB in the end (delta: 182.5MB). Free memory was 54.0MB in the beginning and 173.0MB in the end (delta: -119.0MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,784 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:18,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3223.61ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 53.8MB in the beginning and 57.0MB in the end (delta: -3.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 486.84ms. Allocated memory is still 159.4MB. Free memory was 57.0MB in the beginning and 51.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,789 INFO L158 Benchmark]: Boogie Preprocessor took 572.86ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 51.9MB in the beginning and 164.9MB in the end (delta: -113.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,789 INFO L158 Benchmark]: RCFGBuilder took 1351.56ms. Allocated memory is still 276.8MB. Free memory was 164.9MB in the beginning and 173.0MB in the end (delta: -8.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3223.61ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 53.8MB in the beginning and 57.0MB in the end (delta: -3.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 486.84ms. Allocated memory is still 159.4MB. Free memory was 57.0MB in the beginning and 51.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 572.86ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 51.9MB in the beginning and 164.9MB in the end (delta: -113.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1351.56ms. Allocated memory is still 276.8MB. Free memory was 164.9MB in the beginning and 173.0MB in the end (delta: -8.1MB). Peak memory consumption was 58.5MB. 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 15:55:18,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:21,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:21,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:21,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:21,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:21,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:21,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:21,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:21,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:21,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:21,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:21,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:21,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:21,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:21,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:21,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:21,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:21,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:21,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:21,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:21,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:21,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:21,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:21,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:21,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:21,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:21,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:21,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:21,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:21,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:21,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:21,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:21,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:21,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:21,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:21,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:21,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:21,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:21,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:21,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:21,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:21,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:55:21,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:21,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:21,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:21,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:21,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:21,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:21,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:21,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:21,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:21,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:21,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:21,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:21,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:21,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:21,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:21,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:21,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:21,577 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:21,577 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:21,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:21,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:21,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:21,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:21,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:21,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:21,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:21,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:21,579 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:21,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:21,580 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-11-23 15:55:22,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:22,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:22,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:22,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:22,105 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:22,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:55:22,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/74ea4db46/4fb2ca5735734d80be8a60cf67a8ba06/FLAGbd0f0ec1d [2021-11-23 15:55:23,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:23,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 15:55:23,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/74ea4db46/4fb2ca5735734d80be8a60cf67a8ba06/FLAGbd0f0ec1d [2021-11-23 15:55:23,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/data/74ea4db46/4fb2ca5735734d80be8a60cf67a8ba06 [2021-11-23 15:55:23,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:23,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:23,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:23,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:23,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:23,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:23,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e47ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23, skipping insertion in model container [2021-11-23 15:55:23,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:23,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:23,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:26,124 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 15:55:26,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:26,334 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:55:26,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:26,790 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 15:55:26,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:26,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:27,244 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_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 15:55:27,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:27,503 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:27,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27 WrapperNode [2021-11-23 15:55:27,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:27,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:27,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:27,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:27,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:27,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,027 INFO L137 Inliner]: procedures = 301, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7692 [2021-11-23 15:55:28,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:28,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:28,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:28,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:28,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:28,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:28,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:28,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:28,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:28,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:28,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 15:55:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 15:55:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 15:55:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 15:55:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:55:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 15:55:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 15:55:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 15:55:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:55:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:55:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:55:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:55:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 15:55:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 15:55:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:55:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:55:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:55:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:55:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:55:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:55:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 15:55:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 15:55:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 15:55:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 15:55:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 15:55:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 15:55:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:55:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:55:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 15:55:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 15:55:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 15:55:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 15:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:55:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:55:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 15:55:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 15:55:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 15:55:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 15:55:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 15:55:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 15:55:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:55:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:55:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:55:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 15:55:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 15:55:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 15:55:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 15:55:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 15:55:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 15:55:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 15:55:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 15:55:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 15:55:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 15:55:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:55:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:55:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:55:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:55:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-11-23 15:55:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-11-23 15:55:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:55:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:55:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:55:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:55:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:55:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:55:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:55:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 15:55:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 15:55:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:55:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:55:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:55:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:55:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 15:55:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 15:55:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 15:55:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 15:55:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 15:55:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 15:55:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 15:55:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 15:55:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-23 15:55:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-23 15:55:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 15:55:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 15:55:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 15:55:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 15:55:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 15:55:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 15:55:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 15:55:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 15:55:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:55:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:55:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 15:55:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 15:55:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 15:55:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 15:55:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:55:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:55:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 15:55:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 15:55:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 15:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 15:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 15:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 15:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 15:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 15:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-11-23 15:55:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-11-23 15:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:55:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 15:55:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 15:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 15:55:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 15:55:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:55:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:55:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:55:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 15:55:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 15:55:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 15:55:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 15:55:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 15:55:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 15:55:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:55:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:55:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:55:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:55:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:55:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:55:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:55:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:55:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:55:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:55:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-23 15:55:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-23 15:55:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:55:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:55:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:55:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:55:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 15:55:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 15:55:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 15:55:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 15:55:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 15:55:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 15:55:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 15:55:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 15:55:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 15:55:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 15:55:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:55:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 15:55:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 15:55:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 15:55:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 15:55:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 15:55:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 15:55:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 15:55:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 15:55:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:55:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:55:29,566 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:29,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:30,136 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:30,139 INFO L158 Benchmark]: Toolchain (without parser) took 6560.15ms. Allocated memory was 79.7MB in the beginning and 234.9MB in the end (delta: 155.2MB). Free memory was 46.5MB in the beginning and 124.4MB in the end (delta: -77.9MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,140 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:30,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3918.37ms. Allocated memory was 79.7MB in the beginning and 163.6MB in the end (delta: 83.9MB). Free memory was 46.4MB in the beginning and 74.2MB in the end (delta: -27.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 522.62ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 74.2MB in the beginning and 132.2MB in the end (delta: -58.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,142 INFO L158 Benchmark]: Boogie Preprocessor took 570.55ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,142 INFO L158 Benchmark]: RCFGBuilder took 1536.22ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 124.4MB in the end (delta: 3.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3918.37ms. Allocated memory was 79.7MB in the beginning and 163.6MB in the end (delta: 83.9MB). Free memory was 46.4MB in the beginning and 74.2MB in the end (delta: -27.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 522.62ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 74.2MB in the beginning and 132.2MB in the end (delta: -58.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 570.55ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1536.22ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 124.4MB in the end (delta: 3.7MB). Peak memory consumption was 40.4MB. 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 15:55:30,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1a08b0-d7b1-467f-a2df-a1dd869b97a0/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