./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.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 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:10:48,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:10:48,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:10:48,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:10:48,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:10:48,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:10:48,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:10:48,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:10:48,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:10:48,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:10:48,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:10:48,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:10:48,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:10:48,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:10:48,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:10:48,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:10:48,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:10:48,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:10:48,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:10:48,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:10:48,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:10:48,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:10:48,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:10:48,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:10:48,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:10:48,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:10:48,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:10:48,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:10:48,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:10:48,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:10:48,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:10:48,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:10:48,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:10:48,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:10:48,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:10:48,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:10:48,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:10:48,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:10:48,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:10:48,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:10:48,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:10:48,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:10:48,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:10:48,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:10:48,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:10:48,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:10:48,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:10:48,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:10:48,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:10:48,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:10:48,100 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:10:48,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:10:48,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:10:48,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:10:48,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:10:48,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:10:48,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:10:48,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:10:48,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:10:48,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:10:48,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:10:48,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:10:48,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:10:48,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:48,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:10:48,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:10:48,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:10:48,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:10:48,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:10:48,104 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:10:48,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:10:48,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:10:48,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:10:48,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-12-15 13:10:48,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:10:48,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:10:48,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:10:48,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:10:48,301 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:10:48,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:48,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89df46da/3ebfcda5210a4a18b62324e60f8e55a9/FLAG8add2f09e [2021-12-15 13:10:48,928 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:10:48,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:48,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89df46da/3ebfcda5210a4a18b62324e60f8e55a9/FLAG8add2f09e [2021-12-15 13:10:49,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89df46da/3ebfcda5210a4a18b62324e60f8e55a9 [2021-12-15 13:10:49,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:10:49,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:10:49,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:49,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:10:49,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:10:49,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:49" (1/1) ... [2021-12-15 13:10:49,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4c0822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:49, skipping insertion in model container [2021-12-15 13:10:49,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:49" (1/1) ... [2021-12-15 13:10:49,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:10:49,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:49,875 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2021-12-15 13:10:49,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:49,906 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:10:50,147 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2021-12-15 13:10:50,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:50,186 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:10:50,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50 WrapperNode [2021-12-15 13:10:50,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:50,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:50,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:10:50,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:10:50,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,327 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1905 [2021-12-15 13:10:50,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:50,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:10:50,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:10:50,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:10:50,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:10:50,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:10:50,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:10:50,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:10:50,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:50" (1/1) ... [2021-12-15 13:10:50,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:50,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:10:50,487 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 13:10:50,505 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 13:10:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:10:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:10:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:10:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:10:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-15 13:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-15 13:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-12-15 13:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-12-15 13:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-15 13:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-15 13:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-12-15 13:10:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-12-15 13:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-12-15 13:10:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-12-15 13:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-12-15 13:10:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-12-15 13:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 13:10:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 13:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:10:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-12-15 13:10:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-12-15 13:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-12-15 13:10:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-12-15 13:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-15 13:10:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-15 13:10:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:10:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:10:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:10:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:10:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:10:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-12-15 13:10:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-12-15 13:10:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:10:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:10:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:10:50,885 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:10:50,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:10:51,076 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:10:51,085 INFO L158 Benchmark]: Toolchain (without parser) took 1908.55ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 62.2MB in the beginning and 72.8MB in the end (delta: -10.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-12-15 13:10:51,086 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:10:51,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1010.89ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 62.0MB in the beginning and 83.7MB in the end (delta: -21.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2021-12-15 13:10:51,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.34ms. Allocated memory is still 159.4MB. Free memory was 83.7MB in the beginning and 113.9MB in the end (delta: -30.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-15 13:10:51,091 INFO L158 Benchmark]: Boogie Preprocessor took 131.49ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 101.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:10:51,092 INFO L158 Benchmark]: RCFGBuilder took 622.27ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 72.8MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:10:51,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1010.89ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 62.0MB in the beginning and 83.7MB in the end (delta: -21.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.34ms. Allocated memory is still 159.4MB. Free memory was 83.7MB in the beginning and 113.9MB in the end (delta: -30.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.49ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 101.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 622.27ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 72.8MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. 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 13:10:51,129 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.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 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:10:53,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:10:53,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:10:53,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:10:53,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:10:53,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:10:53,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:10:53,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:10:53,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:10:53,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:10:53,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:10:53,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:10:53,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:10:53,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:10:53,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:10:53,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:10:53,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:10:53,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:10:53,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:10:53,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:10:53,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:10:53,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:10:53,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:10:53,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:10:53,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:10:53,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:10:53,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:10:53,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:10:53,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:10:53,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:10:53,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:10:53,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:10:53,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:10:53,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:10:53,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:10:53,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:10:53,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:10:53,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:10:53,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:10:53,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:10:53,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:10:53,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:10:53,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:10:53,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:10:53,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:10:53,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:10:53,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:10:53,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:10:53,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:10:53,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:10:53,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:10:53,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:10:53,135 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:10:53,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:10:53,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:10:53,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:53,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:10:53,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:10:53,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:10:53,147 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:10:53,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:10:53,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:10:53,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:10:53,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:10:53,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:10:53,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:10:53,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-12-15 13:10:53,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:10:53,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:10:53,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:10:53,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:10:53,448 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:10:53,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:53,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409fbd58f/cc6d09adcff848299b646e6125744e1a/FLAGab77306f9 [2021-12-15 13:10:54,113 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:10:54,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:54,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409fbd58f/cc6d09adcff848299b646e6125744e1a/FLAGab77306f9 [2021-12-15 13:10:54,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409fbd58f/cc6d09adcff848299b646e6125744e1a [2021-12-15 13:10:54,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:10:54,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:10:54,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:54,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:10:54,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:10:54,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f41b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54, skipping insertion in model container [2021-12-15 13:10:54,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:10:54,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:55,493 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2021-12-15 13:10:55,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:55,553 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:10:55,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:55,717 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2021-12-15 13:10:55,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:55,738 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:10:55,921 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2021-12-15 13:10:55,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:55,984 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:10:55,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55 WrapperNode [2021-12-15 13:10:55,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:55,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:55,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:10:55,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:10:55,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,124 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2021-12-15 13:10:56,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:56,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:10:56,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:10:56,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:10:56,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:10:56,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:10:56,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:10:56,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:10:56,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:55" (1/1) ... [2021-12-15 13:10:56,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:56,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:10:56,327 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 13:10:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:10:56,351 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 13:10:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:10:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:10:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:10:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:10:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:10:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:10:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:10:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:10:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:10:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:10:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:10:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:10:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:10:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:10:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:10:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:10:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:10:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:10:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-15 13:10:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-15 13:10:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:10:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:10:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:10:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:10:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-12-15 13:10:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-12-15 13:10:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:10:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:10:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:10:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:10:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-15 13:10:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-15 13:10:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:10:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:10:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:10:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:10:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-12-15 13:10:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-12-15 13:10:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-12-15 13:10:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-12-15 13:10:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:10:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:10:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:10:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:10:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:10:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:10:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-12-15 13:10:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-12-15 13:10:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 13:10:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 13:10:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:10:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:10:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:10:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-12-15 13:10:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-12-15 13:10:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:10:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:10:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:10:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-12-15 13:10:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-12-15 13:10:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-15 13:10:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-15 13:10:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:10:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:10:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:10:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:10:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:10:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-12-15 13:10:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-12-15 13:10:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:10:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:10:56,726 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:10:56,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:10:56,924 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:10:56,930 INFO L158 Benchmark]: Toolchain (without parser) took 2394.99ms. Allocated memory was 52.4MB in the beginning and 123.7MB in the end (delta: 71.3MB). Free memory was 32.8MB in the beginning and 68.1MB in the end (delta: -35.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2021-12-15 13:10:56,934 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:10:56,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1450.90ms. Allocated memory was 52.4MB in the beginning and 123.7MB in the end (delta: 71.3MB). Free memory was 32.6MB in the beginning and 67.3MB in the end (delta: -34.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-12-15 13:10:56,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.90ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 56.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:10:56,935 INFO L158 Benchmark]: Boogie Preprocessor took 156.55ms. Allocated memory is still 123.7MB. Free memory was 56.3MB in the beginning and 70.3MB in the end (delta: -14.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-15 13:10:56,935 INFO L158 Benchmark]: RCFGBuilder took 641.83ms. Allocated memory is still 123.7MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-12-15 13:10:56,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1450.90ms. Allocated memory was 52.4MB in the beginning and 123.7MB in the end (delta: 71.3MB). Free memory was 32.6MB in the beginning and 67.3MB in the end (delta: -34.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.90ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 56.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.55ms. Allocated memory is still 123.7MB. Free memory was 56.3MB in the beginning and 70.3MB in the end (delta: -14.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * RCFGBuilder took 641.83ms. Allocated memory is still 123.7MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). Peak memory consumption was 31.3MB. 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 13:10:56,976 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable