./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/KojakReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:26,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:26,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:26,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:26,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:26,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:26,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:26,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:26,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:26,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:26,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:26,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:26,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:26,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:26,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:26,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:26,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:26,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:26,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:26,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:26,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:26,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:05:27,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-11-23 15:05:27,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:27,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:27,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:27,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:27,462 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:27,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/../../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 [2021-11-23 15:05:27,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/79691c01c/f68402b1686e4d69810046be4b973e62/FLAG7f0a0f5e9 [2021-11-23 15:05:28,383 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:28,385 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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 [2021-11-23 15:05:28,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/79691c01c/f68402b1686e4d69810046be4b973e62/FLAG7f0a0f5e9 [2021-11-23 15:05:28,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/79691c01c/f68402b1686e4d69810046be4b973e62 [2021-11-23 15:05:28,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:28,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:28,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:28,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:28,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:28,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2323f7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28, skipping insertion in model container [2021-11-23 15:05:28,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:29,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:30,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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] [2021-11-23 15:05:30,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:30,110 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:30,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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] [2021-11-23 15:05:30,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:30,474 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:30,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30 WrapperNode [2021-11-23 15:05:30,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:30,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:30,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:30,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:30,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,669 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1905 [2021-11-23 15:05:30,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:30,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:30,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:30,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:30,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:30,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:30,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:30,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:30,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:30,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:30,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:30,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:05:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 15:05:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 15:05:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:05:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:05:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:05:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:05:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:05:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:05:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:05:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:05:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:05:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:05:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:05:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:05:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:05:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:05:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:05:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:05:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:05:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:05:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 15:05:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 15:05:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-11-23 15:05:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-11-23 15:05:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:05:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:05:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-11-23 15:05:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-11-23 15:05:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:05:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:05:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-11-23 15:05:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-11-23 15:05:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-11-23 15:05:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-11-23 15:05:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-11-23 15:05:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-11-23 15:05:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:05:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:05:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:05:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:05:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-11-23 15:05:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-11-23 15:05:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:05:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-11-23 15:05:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-11-23 15:05:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:05:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:05:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:05:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:05:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:05:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:05:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-11-23 15:05:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-11-23 15:05:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:05:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:31,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:31,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:31,874 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:31,878 INFO L158 Benchmark]: Toolchain (without parser) took 2964.64ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.8MB in the beginning and 55.6MB in the end (delta: 6.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,879 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:31,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.73ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.6MB in the beginning and 83.1MB in the end (delta: -21.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.75ms. Allocated memory is still 123.7MB. Free memory was 83.1MB in the beginning and 71.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,883 INFO L158 Benchmark]: Boogie Preprocessor took 169.37ms. Allocated memory is still 123.7MB. Free memory was 71.5MB in the beginning and 58.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,883 INFO L158 Benchmark]: RCFGBuilder took 1032.39ms. Allocated memory is still 123.7MB. Free memory was 58.9MB in the beginning and 55.6MB in the end (delta: 3.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.73ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.6MB in the beginning and 83.1MB in the end (delta: -21.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.75ms. Allocated memory is still 123.7MB. Free memory was 83.1MB in the beginning and 71.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.37ms. Allocated memory is still 123.7MB. Free memory was 71.5MB in the beginning and 58.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1032.39ms. Allocated memory is still 123.7MB. Free memory was 58.9MB in the beginning and 55.6MB in the end (delta: 3.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:31,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/KojakReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:34,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:34,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:34,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:34,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:34,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:34,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:34,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:34,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:34,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:34,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:34,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:34,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:34,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:34,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:34,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:34,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:34,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:34,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:34,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:34,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:34,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:34,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:34,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:34,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:34,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:34,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:34,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:34,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:34,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:34,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:34,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:34,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:34,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:34,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:34,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:34,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:34,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:34,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:34,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:34,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:34,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:05:34,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:34,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:34,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:34,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:34,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:34,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:34,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:34,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:34,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:34,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:34,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:34,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:34,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:34,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:34,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:34,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:34,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:34,592 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:34,592 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:34,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:34,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:34,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:34,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:34,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:34,594 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:34,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:34,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:34,594 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:34,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:34,595 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2021-11-23 15:05:34,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:35,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:35,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:35,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:35,011 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:35,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/../../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 [2021-11-23 15:05:35,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/81ef5bf8a/1ab79193d94d488f8cd06f60ae088ad9/FLAG047a7c680 [2021-11-23 15:05:35,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:35,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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 [2021-11-23 15:05:35,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/81ef5bf8a/1ab79193d94d488f8cd06f60ae088ad9/FLAG047a7c680 [2021-11-23 15:05:35,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/data/81ef5bf8a/1ab79193d94d488f8cd06f60ae088ad9 [2021-11-23 15:05:35,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:35,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:35,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:35,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:35,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:35,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec30767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35, skipping insertion in model container [2021-11-23 15:05:35,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:36,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:37,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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] [2021-11-23 15:05:37,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:37,261 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:05:37,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:37,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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] [2021-11-23 15:05:37,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:37,532 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:37,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/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] [2021-11-23 15:05:37,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:37,860 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:37,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37 WrapperNode [2021-11-23 15:05:37,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:37,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:37,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:37,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:37,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:37,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,015 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2021-11-23 15:05:38,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:38,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:38,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:38,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:38,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:38,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:38,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:38,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:38,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:38,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:38,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:05:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 15:05:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 15:05:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:05:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:05:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:05:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:05:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:05:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:05:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:05:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:05:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:05:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:05:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:05:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:05:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:05:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:05:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:05:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:05:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:05:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:05:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:05:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:05:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 15:05:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 15:05:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:05:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:05:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:05:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:05:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-11-23 15:05:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-11-23 15:05:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:05:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:05:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-11-23 15:05:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-11-23 15:05:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:05:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:05:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-11-23 15:05:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-11-23 15:05:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-11-23 15:05:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-11-23 15:05:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:05:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:05:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:05:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-11-23 15:05:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-11-23 15:05:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:05:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:05:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:05:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:05:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:05:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-11-23 15:05:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-11-23 15:05:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:05:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:05:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:05:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:05:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:05:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-11-23 15:05:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-11-23 15:05:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:05:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:05:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:05:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:05:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:05:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:05:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:05:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-11-23 15:05:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-11-23 15:05:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:38,877 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:38,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:39,189 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:39,196 INFO L158 Benchmark]: Toolchain (without parser) took 3254.97ms. Allocated memory was 65.0MB in the beginning and 146.8MB in the end (delta: 81.8MB). Free memory was 38.2MB in the beginning and 58.4MB in the end (delta: -20.3MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:39,197 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:39,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1918.05ms. Allocated memory was 65.0MB in the beginning and 146.8MB in the end (delta: 81.8MB). Free memory was 38.0MB in the beginning and 80.1MB in the end (delta: -42.1MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:39,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.94ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 68.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:39,202 INFO L158 Benchmark]: Boogie Preprocessor took 188.62ms. Allocated memory is still 146.8MB. Free memory was 68.1MB in the beginning and 86.9MB in the end (delta: -18.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:39,203 INFO L158 Benchmark]: RCFGBuilder took 988.59ms. Allocated memory is still 146.8MB. Free memory was 86.9MB in the beginning and 58.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:39,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1918.05ms. Allocated memory was 65.0MB in the beginning and 146.8MB in the end (delta: 81.8MB). Free memory was 38.0MB in the beginning and 80.1MB in the end (delta: -42.1MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.94ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 68.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.62ms. Allocated memory is still 146.8MB. Free memory was 68.1MB in the beginning and 86.9MB in the end (delta: -18.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 988.59ms. Allocated memory is still 146.8MB. Free memory was 86.9MB in the beginning and 58.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:39,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70227ef7-e1e9-44ef-b901-8c4e00a1be67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable