./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-32_7a-drivers--net--usb--cdc_subset.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-32_7a-drivers--net--usb--cdc_subset.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 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:17:05,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:17:05,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:17:05,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:17:05,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:17:05,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:17:05,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:17:05,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:17:05,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:17:05,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:17:05,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:17:05,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:17:05,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:17:05,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:17:05,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:17:05,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:17:05,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:17:05,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:17:05,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:17:05,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:17:05,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:17:05,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:17:05,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:17:05,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:17:05,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:17:05,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:17:05,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:17:05,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:17:05,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:17:05,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:17:05,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:17:05,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:17:05,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:17:05,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:17:05,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:17:05,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:17:05,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:17:05,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:17:05,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:17:05,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:17:05,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:17:05,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:17:05,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:17:05,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:17:05,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:17:05,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:17:05,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:17:05,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:17:05,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:17:05,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:17:05,606 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:17:05,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:17:05,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:17:05,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:17:05,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:17:05,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:17:05,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:17:05,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:17:05,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:17:05,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:17:05,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:17:05,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:17:05,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:17:05,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:17:05,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:17:05,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:17:05,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:17:05,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:17:05,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2021-12-15 13:17:05,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:17:05,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:17:05,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:17:05,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:17:05,831 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:17:05,832 INFO L432 ainManager$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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-12-15 13:17:05,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a823cfe6/cb33216b4a2e4755a54e1e29564c262b/FLAG005a0f0e5 [2021-12-15 13:17:06,452 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:17:06,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-12-15 13:17:06,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a823cfe6/cb33216b4a2e4755a54e1e29564c262b/FLAG005a0f0e5 [2021-12-15 13:17:06,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a823cfe6/cb33216b4a2e4755a54e1e29564c262b [2021-12-15 13:17:06,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:17:06,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:17:06,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:17:06,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:17:06,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:17:06,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:06" (1/1) ... [2021-12-15 13:17:06,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3373d2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:06, skipping insertion in model container [2021-12-15 13:17:06,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:06" (1/1) ... [2021-12-15 13:17:06,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:17:06,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:17:07,619 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-12-15 13:17:07,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:17:07,753 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:17:07,868 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-12-15 13:17:07,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:17:07,963 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:17:07,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07 WrapperNode [2021-12-15 13:17:07,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:17:07,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:17:07,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:17:07,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:17:07,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,067 INFO L137 Inliner]: procedures = 117, calls = 568, calls flagged for inlining = 30, calls inlined = 25, statements flattened = 1081 [2021-12-15 13:17:08,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:17:08,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:17:08,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:17:08,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:17:08,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:17:08,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:17:08,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:17:08,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:17:08,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:07" (1/1) ... [2021-12-15 13:17:08,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:17:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:17:08,207 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 13:17:08,226 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 13:17:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:17:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:17:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:17:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:17:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:17:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-15 13:17:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-15 13:17:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-15 13:17:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-15 13:17:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:17:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:17:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:17:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:17:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:17:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2021-12-15 13:17:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:17:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:17:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:17:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:17:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2021-12-15 13:17:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2021-12-15 13:17:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:17:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:17:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:17:08,510 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:17:08,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:17:08,579 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:17:08,583 INFO L158 Benchmark]: Toolchain (without parser) took 1676.43ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 88.3MB in the beginning and 72.5MB in the end (delta: 15.9MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-15 13:17:08,584 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:17:08,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1056.88ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 88.0MB in the beginning and 104.7MB in the end (delta: -16.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2021-12-15 13:17:08,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.64ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 96.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:17:08,592 INFO L158 Benchmark]: Boogie Preprocessor took 91.93ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 88.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:17:08,592 INFO L158 Benchmark]: RCFGBuilder took 419.89ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 72.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:17:08,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1056.88ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 88.0MB in the beginning and 104.7MB in the end (delta: -16.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.64ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 96.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.93ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 88.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 419.89ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 72.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. 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 13:17:08,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-32_7a-drivers--net--usb--cdc_subset.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 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:17:10,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:17:10,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:17:10,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:17:10,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:17:10,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:17:10,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:17:10,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:17:10,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:17:10,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:17:10,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:17:10,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:17:10,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:17:10,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:17:10,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:17:10,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:17:10,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:17:10,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:17:10,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:17:10,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:17:10,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:17:10,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:17:10,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:17:10,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:17:10,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:17:10,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:17:10,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:17:10,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:17:10,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:17:10,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:17:10,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:17:10,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:17:10,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:17:10,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:17:10,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:17:10,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:17:10,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:17:10,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:17:10,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:17:10,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:17:10,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:17:10,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:17:10,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:17:10,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:17:10,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:17:10,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:17:10,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:17:10,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:17:10,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:17:10,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:17:10,505 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:17:10,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:17:10,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:17:10,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:17:10,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:17:10,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:17:10,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:17:10,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:17:10,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:17:10,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:17:10,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:17:10,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:17:10,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:17:10,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:17:10,515 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:17:10,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:17:10,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:17:10,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:17:10,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:17:10,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:17:10,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:17:10,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2021-12-15 13:17:10,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:17:10,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:17:10,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:17:10,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:17:10,810 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:17:10,811 INFO L432 ainManager$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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-12-15 13:17:10,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f98d310f/90601a641fa4471f95e9ff659da8767d/FLAG714972971 [2021-12-15 13:17:11,476 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:17:11,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-12-15 13:17:11,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f98d310f/90601a641fa4471f95e9ff659da8767d/FLAG714972971 [2021-12-15 13:17:11,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f98d310f/90601a641fa4471f95e9ff659da8767d [2021-12-15 13:17:11,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:17:11,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:17:11,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:17:11,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:17:11,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:17:11,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:11" (1/1) ... [2021-12-15 13:17:11,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3816d28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:11, skipping insertion in model container [2021-12-15 13:17:11,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:11" (1/1) ... [2021-12-15 13:17:11,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:17:12,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:17:12,677 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-12-15 13:17:12,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:17:12,884 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:17:12,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:17:13,054 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-12-15 13:17:13,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:17:13,097 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:17:13,240 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-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-12-15 13:17:13,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:17:13,347 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:17:13,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13 WrapperNode [2021-12-15 13:17:13,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:17:13,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:17:13,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:17:13,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:17:13,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,495 INFO L137 Inliner]: procedures = 126, calls = 568, calls flagged for inlining = 30, calls inlined = 25, statements flattened = 1051 [2021-12-15 13:17:13,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:17:13,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:17:13,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:17:13,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:17:13,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:17:13,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:17:13,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:17:13,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:17:13,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:13" (1/1) ... [2021-12-15 13:17:13,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:17:13,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:17:13,640 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 13:17:13,653 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 13:17:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:17:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:17:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:17:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:17:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:17:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-15 13:17:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-15 13:17:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-15 13:17:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-15 13:17:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:17:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:17:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:17:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:17:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:17:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2021-12-15 13:17:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:17:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:17:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:17:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2021-12-15 13:17:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2021-12-15 13:17:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:17:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:17:13,966 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:17:13,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:17:14,061 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:17:14,068 INFO L158 Benchmark]: Toolchain (without parser) took 2153.49ms. Allocated memory was 54.5MB in the beginning and 117.4MB in the end (delta: 62.9MB). Free memory was 33.7MB in the beginning and 61.8MB in the end (delta: -28.1MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-12-15 13:17:14,068 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:17:14,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.24ms. Allocated memory was 54.5MB in the beginning and 117.4MB in the end (delta: 62.9MB). Free memory was 33.5MB in the beginning and 48.4MB in the end (delta: -14.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2021-12-15 13:17:14,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.12ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 65.7MB in the end (delta: -17.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-15 13:17:14,073 INFO L158 Benchmark]: Boogie Preprocessor took 100.56ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 56.6MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:17:14,073 INFO L158 Benchmark]: RCFGBuilder took 467.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 61.8MB in the end (delta: -5.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-15 13:17:14,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.24ms. Allocated memory was 54.5MB in the beginning and 117.4MB in the end (delta: 62.9MB). Free memory was 33.5MB in the beginning and 48.4MB in the end (delta: -14.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.12ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 65.7MB in the end (delta: -17.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.56ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 56.6MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 467.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 61.8MB in the end (delta: -5.2MB). Peak memory consumption was 16.3MB. 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 13:17:14,124 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