./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 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:24:28,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:24:28,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:24:28,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:24:28,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:24:28,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:24:28,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:24:28,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:24:28,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:24:28,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:24:28,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:24:28,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:24:28,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:24:28,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:24:28,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:24:28,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:24:28,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:24:28,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:24:28,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:24:28,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:24:28,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:24:28,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:24:28,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:24:28,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:24:28,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:24:28,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:24:28,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:24:28,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:24:28,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:24:28,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:24:28,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:24:28,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:24:28,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:24:28,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:24:28,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:24:28,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:24:28,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:24:28,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:24:28,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:24:28,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:24:28,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:24:28,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:24:28,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:24:28,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:24:28,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:24:28,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:24:28,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:24:28,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:24:28,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:24:28,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:24:28,475 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:24:28,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:24:28,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:24:28,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:24:28,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:24:28,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:24:28,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:24:28,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:24:28,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:24:28,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:24:28,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:24:28,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:24:28,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:24:28,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:24:28,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:24:28,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:24:28,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:24:28,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:24:28,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:24:28,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:24:28,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:24:28,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:24:28,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:24:28,480 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-12-15 13:24:28,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:24:28,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:24:28,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:24:28,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:24:28,796 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:24:28,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-15 13:24:28,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671466e12/8d4604c1fd5440b38a0531f14cf127e7/FLAGd2fae9a1e [2021-12-15 13:24:29,508 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:24:29,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-15 13:24:29,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671466e12/8d4604c1fd5440b38a0531f14cf127e7/FLAGd2fae9a1e [2021-12-15 13:24:29,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671466e12/8d4604c1fd5440b38a0531f14cf127e7 [2021-12-15 13:24:29,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:24:29,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:24:29,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:24:29,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:24:29,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:24:29,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:29" (1/1) ... [2021-12-15 13:24:29,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429fd8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:29, skipping insertion in model container [2021-12-15 13:24:29,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:29" (1/1) ... [2021-12-15 13:24:29,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:24:29,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:24:30,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:24:30,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:24:30,822 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:24:31,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:24:31,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:24:31,167 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:24:31,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31 WrapperNode [2021-12-15 13:24:31,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:24:31,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:24:31,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:24:31,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:24:31,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,467 INFO L137 Inliner]: procedures = 286, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7836 [2021-12-15 13:24:31,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:24:31,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:24:31,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:24:31,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:24:31,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:24:31,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:24:31,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:24:31,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:24:31,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:31" (1/1) ... [2021-12-15 13:24:31,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:24:31,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:24:31,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:24:31,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:24:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-12-15 13:24:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-12-15 13:24:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-12-15 13:24:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-12-15 13:24:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 13:24:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:24:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:24:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:24:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:24:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:24:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:24:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-12-15 13:24:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-12-15 13:24:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:24:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:24:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:24:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:24:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:24:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:24:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:24:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:24:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-15 13:24:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-15 13:24:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:24:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:24:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-12-15 13:24:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-12-15 13:24:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:24:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:24:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 13:24:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 13:24:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:24:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:24:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-15 13:24:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-15 13:24:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:24:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:24:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:24:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:24:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:24:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:24:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:24:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:24:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-12-15 13:24:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-12-15 13:24:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-12-15 13:24:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-12-15 13:24:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-12-15 13:24:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-12-15 13:24:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:24:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:24:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:24:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:24:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-12-15 13:24:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-12-15 13:24:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:24:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:24:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:24:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-12-15 13:24:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-12-15 13:24:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-15 13:24:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-15 13:24:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:24:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:24:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:24:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:24:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:24:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:24:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-12-15 13:24:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-12-15 13:24:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:24:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:24:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:24:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:24:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 13:24:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 13:24:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:24:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:24:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:24:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:24:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-12-15 13:24:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-12-15 13:24:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 13:24:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 13:24:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-12-15 13:24:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-12-15 13:24:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-15 13:24:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-15 13:24:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-12-15 13:24:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-12-15 13:24:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:24:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-12-15 13:24:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-12-15 13:24:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:24:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:24:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:24:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:24:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:24:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:24:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-12-15 13:24:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-12-15 13:24:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-15 13:24:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-15 13:24:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:24:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:24:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:24:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:24:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-12-15 13:24:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-12-15 13:24:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-12-15 13:24:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-12-15 13:24:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:24:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:24:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:24:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:24:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:24:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:24:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-12-15 13:24:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-12-15 13:24:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-12-15 13:24:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-12-15 13:24:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 13:24:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 13:24:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:24:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:24:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:24:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-12-15 13:24:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-12-15 13:24:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:24:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:24:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-12-15 13:24:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-12-15 13:24:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-12-15 13:24:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-12-15 13:24:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-12-15 13:24:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-12-15 13:24:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:24:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:24:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:24:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-15 13:24:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-12-15 13:24:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:24:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:24:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:24:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:24:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-12-15 13:24:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:24:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:24:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-12-15 13:24:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-12-15 13:24:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-12-15 13:24:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-12-15 13:24:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-12-15 13:24:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-12-15 13:24:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:24:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:24:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:24:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:24:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:24:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:24:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:24:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:24:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:24:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-12-15 13:24:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-12-15 13:24:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:24:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:24:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-15 13:24:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-15 13:24:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:24:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:24:32,569 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:24:32,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:24:32,691 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:24:32,695 INFO L158 Benchmark]: Toolchain (without parser) took 3064.85ms. Allocated memory was 119.5MB in the beginning and 192.9MB in the end (delta: 73.4MB). Free memory was 72.7MB in the beginning and 61.7MB in the end (delta: 11.0MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2021-12-15 13:24:32,696 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:24:32,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1537.11ms. Allocated memory was 119.5MB in the beginning and 192.9MB in the end (delta: 73.4MB). Free memory was 72.5MB in the beginning and 95.2MB in the end (delta: -22.6MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2021-12-15 13:24:32,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 297.88ms. Allocated memory is still 192.9MB. Free memory was 95.2MB in the beginning and 94.5MB in the end (delta: 678.3kB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-15 13:24:32,697 INFO L158 Benchmark]: Boogie Preprocessor took 339.31ms. Allocated memory is still 192.9MB. Free memory was 94.5MB in the beginning and 71.4MB in the end (delta: 23.1MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-12-15 13:24:32,697 INFO L158 Benchmark]: RCFGBuilder took 886.02ms. Allocated memory is still 192.9MB. Free memory was 71.4MB in the beginning and 61.7MB in the end (delta: 9.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-12-15 13:24:32,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1537.11ms. Allocated memory was 119.5MB in the beginning and 192.9MB in the end (delta: 73.4MB). Free memory was 72.5MB in the beginning and 95.2MB in the end (delta: -22.6MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 297.88ms. Allocated memory is still 192.9MB. Free memory was 95.2MB in the beginning and 94.5MB in the end (delta: 678.3kB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 339.31ms. Allocated memory is still 192.9MB. Free memory was 94.5MB in the beginning and 71.4MB in the end (delta: 23.1MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * RCFGBuilder took 886.02ms. Allocated memory is still 192.9MB. Free memory was 71.4MB in the beginning and 61.7MB in the end (delta: 9.7MB). Peak memory consumption was 20.8MB. 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. [2021-12-15 13:24:32,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:24:34,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:24:34,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:24:34,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:24:34,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:24:34,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:24:34,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:24:34,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:24:34,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:24:34,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:24:34,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:24:34,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:24:34,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:24:34,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:24:34,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:24:34,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:24:34,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:24:34,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:24:34,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:24:34,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:24:34,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:24:34,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:24:34,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:24:34,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:24:34,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:24:34,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:24:34,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:24:34,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:24:34,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:24:34,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:24:34,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:24:34,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:24:34,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:24:34,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:24:34,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:24:34,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:24:34,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:24:34,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:24:34,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:24:34,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:24:34,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:24:34,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:24:34,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:24:34,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:24:34,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:24:34,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:24:34,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:24:34,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:24:34,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:24:34,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:24:34,754 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:24:34,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:24:34,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:24:34,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:24:34,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:24:34,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:24:34,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:24:34,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:24:34,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:24:34,757 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:24:34,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:24:34,759 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-12-15 13:24:35,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:24:35,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:24:35,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:24:35,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:24:35,052 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:24:35,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-15 13:24:35,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21bc82da/8b8c3032508d4a95b0be1ad55d9b0899/FLAGd54ffb01f [2021-12-15 13:24:35,756 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:24:35,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-15 13:24:35,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21bc82da/8b8c3032508d4a95b0be1ad55d9b0899/FLAGd54ffb01f [2021-12-15 13:24:35,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21bc82da/8b8c3032508d4a95b0be1ad55d9b0899 [2021-12-15 13:24:35,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:24:35,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:24:35,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:24:35,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:24:35,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:24:35,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:35" (1/1) ... [2021-12-15 13:24:35,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4e89f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:35, skipping insertion in model container [2021-12-15 13:24:35,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:35" (1/1) ... [2021-12-15 13:24:35,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:24:36,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:24:37,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:24:37,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:24:37,369 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:24:37,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:24:37,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:24:37,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:24:37,687 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:24:37,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:24:37,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:24:38,006 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:24:38,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38 WrapperNode [2021-12-15 13:24:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:24:38,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:24:38,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:24:38,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:24:38,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,266 INFO L137 Inliner]: procedures = 301, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7692 [2021-12-15 13:24:38,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:24:38,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:24:38,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:24:38,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:24:38,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:24:38,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:24:38,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:24:38,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:24:38,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:38" (1/1) ... [2021-12-15 13:24:38,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:24:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:24:38,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:24:38,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:24:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-12-15 13:24:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-12-15 13:24:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-12-15 13:24:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-12-15 13:24:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:24:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:24:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 13:24:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:24:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:24:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:24:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:24:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:24:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:24:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:24:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-12-15 13:24:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-12-15 13:24:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:24:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:24:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:24:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:24:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:24:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:24:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:24:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:24:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-15 13:24:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-15 13:24:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:24:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:24:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-12-15 13:24:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-12-15 13:24:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:24:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:24:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 13:24:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 13:24:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:24:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:24:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-15 13:24:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-15 13:24:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:24:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:24:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:24:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:24:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:24:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:24:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:24:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:24:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-12-15 13:24:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-12-15 13:24:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-12-15 13:24:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-12-15 13:24:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:24:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-12-15 13:24:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-12-15 13:24:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:24:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:24:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:24:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-12-15 13:24:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-12-15 13:24:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-15 13:24:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-15 13:24:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:24:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:24:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:24:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:24:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:24:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:24:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-12-15 13:24:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-12-15 13:24:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:24:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:24:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:24:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:24:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 13:24:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 13:24:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:24:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:24:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:24:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:24:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-12-15 13:24:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-12-15 13:24:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 13:24:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 13:24:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-12-15 13:24:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-12-15 13:24:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-15 13:24:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-15 13:24:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-12-15 13:24:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-12-15 13:24:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-12-15 13:24:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-12-15 13:24:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:24:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:24:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:24:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:24:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-12-15 13:24:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-12-15 13:24:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-15 13:24:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-15 13:24:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:24:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:24:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:24:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:24:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-12-15 13:24:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-12-15 13:24:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-12-15 13:24:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-12-15 13:24:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:24:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:24:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:24:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:24:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:24:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:24:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-12-15 13:24:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-12-15 13:24:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-12-15 13:24:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-12-15 13:24:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 13:24:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 13:24:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:24:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:24:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-12-15 13:24:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-12-15 13:24:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:24:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:24:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-12-15 13:24:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-12-15 13:24:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-12-15 13:24:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-12-15 13:24:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-12-15 13:24:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-12-15 13:24:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:24:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:24:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:24:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:24:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:24:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-15 13:24:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-15 13:24:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-12-15 13:24:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-12-15 13:24:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:24:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:24:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:24:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:24:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:24:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:24:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:24:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-12-15 13:24:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-12-15 13:24:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:24:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:24:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:24:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:24:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-12-15 13:24:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-12-15 13:24:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-12-15 13:24:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-12-15 13:24:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-12-15 13:24:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-12-15 13:24:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-12-15 13:24:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-12-15 13:24:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:24:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:24:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:24:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:24:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:24:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-12-15 13:24:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-12-15 13:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:24:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:24:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-15 13:24:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-15 13:24:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:24:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:24:39,112 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:24:39,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:24:39,576 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:24:39,579 INFO L158 Benchmark]: Toolchain (without parser) took 3696.01ms. Allocated memory was 58.7MB in the beginning and 467.7MB in the end (delta: 408.9MB). Free memory was 27.9MB in the beginning and 350.5MB in the end (delta: -322.6MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2021-12-15 13:24:39,579 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:24:39,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2122.52ms. Allocated memory was 58.7MB in the beginning and 226.5MB in the end (delta: 167.8MB). Free memory was 27.7MB in the beginning and 107.6MB in the end (delta: -79.8MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2021-12-15 13:24:39,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.33ms. Allocated memory is still 226.5MB. Free memory was 107.6MB in the beginning and 122.3MB in the end (delta: -14.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-15 13:24:39,580 INFO L158 Benchmark]: Boogie Preprocessor took 298.40ms. Allocated memory is still 226.5MB. Free memory was 122.3MB in the beginning and 112.6MB in the end (delta: 9.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2021-12-15 13:24:39,581 INFO L158 Benchmark]: RCFGBuilder took 1011.49ms. Allocated memory was 226.5MB in the beginning and 467.7MB in the end (delta: 241.2MB). Free memory was 112.6MB in the beginning and 350.5MB in the end (delta: -238.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2021-12-15 13:24:39,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2122.52ms. Allocated memory was 58.7MB in the beginning and 226.5MB in the end (delta: 167.8MB). Free memory was 27.7MB in the beginning and 107.6MB in the end (delta: -79.8MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.33ms. Allocated memory is still 226.5MB. Free memory was 107.6MB in the beginning and 122.3MB in the end (delta: -14.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 298.40ms. Allocated memory is still 226.5MB. Free memory was 122.3MB in the beginning and 112.6MB in the end (delta: 9.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.49ms. Allocated memory was 226.5MB in the beginning and 467.7MB in the end (delta: 241.2MB). Free memory was 112.6MB in the beginning and 350.5MB in the end (delta: -238.0MB). Peak memory consumption was 58.2MB. 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. [2021-12-15 13:24:39,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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