./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:06,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:06,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:06,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:06,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:06,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:06,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:06,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:06,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:06,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:06,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:06,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:06,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:06,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:06,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:06,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:06,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:06,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:06,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:06,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:06,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:06,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:06,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:06,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:06,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:06,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:06,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:06,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:06,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:06,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:06,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:06,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:06,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:06,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:06,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:06,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:06,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:06,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:06,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:06,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:06,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:06,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:05:06,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:06,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:06,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:06,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:06,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:06,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:06,297 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:06,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:06,298 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:06,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:05:06,299 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:06,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:06,300 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:05:06,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:05:06,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:06,301 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:05:06,301 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:05:06,301 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:05:06,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:06,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:05:06,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:06,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:06,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:06,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:06,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:06,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:06,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:06,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:06,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:06,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:06,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:06,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:06,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:06,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:05:06,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:05:06,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:06,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:06,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:06,310 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-11-23 17:05:06,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:06,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:06,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:06,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:06,687 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:06,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-11-23 17:05:06,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/2b60e0fdb/ec7846792dae405cb8644493e096f9b8/FLAGad12116f8 [2021-11-23 17:05:08,021 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:08,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-11-23 17:05:08,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/2b60e0fdb/ec7846792dae405cb8644493e096f9b8/FLAGad12116f8 [2021-11-23 17:05:08,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/2b60e0fdb/ec7846792dae405cb8644493e096f9b8 [2021-11-23 17:05:08,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:08,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:08,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:08,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:08,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:08,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:08" (1/1) ... [2021-11-23 17:05:08,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101afe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:08, skipping insertion in model container [2021-11-23 17:05:08,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:08" (1/1) ... [2021-11-23 17:05:08,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:08,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:12,375 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-11-23 17:05:12,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:12,516 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:13,791 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-11-23 17:05:13,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:14,184 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:14,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14 WrapperNode [2021-11-23 17:05:14,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:14,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:14,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:14,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:14,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,733 INFO L137 Inliner]: procedures = 389, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9132 [2021-11-23 17:05:14,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:14,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:14,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:14,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:15,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:15,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:15,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:15,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:15,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:15,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:15,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:15,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:15,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:15,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:15,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-23 17:05:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-23 17:05:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:05:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 17:05:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 17:05:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:05:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:05:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-23 17:05:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-23 17:05:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 17:05:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 17:05:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-23 17:05:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-23 17:05:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-11-23 17:05:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-11-23 17:05:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:05:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:05:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-11-23 17:05:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-11-23 17:05:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-23 17:05:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-23 17:05:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-23 17:05:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-23 17:05:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 17:05:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 17:05:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 17:05:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 17:05:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-11-23 17:05:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-11-23 17:05:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-23 17:05:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-23 17:05:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-11-23 17:05:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-11-23 17:05:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:05:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:05:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-11-23 17:05:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-11-23 17:05:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-23 17:05:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-23 17:05:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:05:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-23 17:05:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-23 17:05:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-11-23 17:05:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-11-23 17:05:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-11-23 17:05:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-11-23 17:05:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:05:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:05:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-23 17:05:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-23 17:05:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:05:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:05:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-11-23 17:05:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-11-23 17:05:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-11-23 17:05:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-11-23 17:05:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 17:05:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 17:05:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 17:05:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 17:05:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 17:05:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 17:05:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:05:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:05:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-11-23 17:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-11-23 17:05:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:05:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 17:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 17:05:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-11-23 17:05:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-11-23 17:05:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:05:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:05:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-23 17:05:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-23 17:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-23 17:05:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-23 17:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 17:05:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 17:05:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:05:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:05:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-11-23 17:05:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-11-23 17:05:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-11-23 17:05:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-11-23 17:05:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 17:05:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 17:05:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-11-23 17:05:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-11-23 17:05:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-11-23 17:05:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-11-23 17:05:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-23 17:05:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-23 17:05:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:05:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:05:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-23 17:05:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-23 17:05:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-11-23 17:05:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-11-23 17:05:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-23 17:05:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-23 17:05:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 17:05:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 17:05:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:05:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-23 17:05:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-23 17:05:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-11-23 17:05:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-11-23 17:05:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-23 17:05:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-23 17:05:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:05:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-11-23 17:05:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-11-23 17:05:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:05:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-11-23 17:05:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-11-23 17:05:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-23 17:05:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-23 17:05:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-11-23 17:05:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-11-23 17:05:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-11-23 17:05:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-11-23 17:05:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-11-23 17:05:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-11-23 17:05:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-11-23 17:05:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-11-23 17:05:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 17:05:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 17:05:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-11-23 17:05:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-11-23 17:05:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-23 17:05:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-23 17:05:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-11-23 17:05:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-11-23 17:05:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-11-23 17:05:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-11-23 17:05:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 17:05:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 17:05:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 17:05:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 17:05:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-23 17:05:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-23 17:05:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-11-23 17:05:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-11-23 17:05:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-11-23 17:05:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-11-23 17:05:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:05:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:05:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-23 17:05:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-23 17:05:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:05:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:05:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:05:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:05:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-23 17:05:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-23 17:05:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:05:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:05:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 17:05:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 17:05:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-11-23 17:05:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-11-23 17:05:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-11-23 17:05:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-11-23 17:05:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-11-23 17:05:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-11-23 17:05:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-23 17:05:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-23 17:05:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:05:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:05:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:05:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:05:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-23 17:05:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-23 17:05:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-11-23 17:05:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-11-23 17:05:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:05:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:05:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:05:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:05:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:05:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:05:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 17:05:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 17:05:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 17:05:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 17:05:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-11-23 17:05:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-11-23 17:05:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-23 17:05:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-23 17:05:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:05:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:05:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-11-23 17:05:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-11-23 17:05:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:05:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 17:05:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 17:05:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 17:05:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 17:05:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:05:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-23 17:05:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-23 17:05:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-23 17:05:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-23 17:05:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 17:05:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 17:05:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:05:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:05:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-23 17:05:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-23 17:05:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-23 17:05:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-23 17:05:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-11-23 17:05:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-11-23 17:05:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 17:05:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 17:05:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-23 17:05:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-23 17:05:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:05:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:05:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-23 17:05:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-23 17:05:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-11-23 17:05:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-11-23 17:05:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-11-23 17:05:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-11-23 17:05:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-23 17:05:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-23 17:05:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-23 17:05:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-23 17:05:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 17:05:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 17:05:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-11-23 17:05:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-11-23 17:05:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 17:05:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 17:05:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:05:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:05:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:05:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-11-23 17:05:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-11-23 17:05:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-11-23 17:05:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-11-23 17:05:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:05:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:05:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 17:05:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 17:05:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:05:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:05:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-23 17:05:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-23 17:05:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:05:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:05:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-11-23 17:05:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-11-23 17:05:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-11-23 17:05:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-11-23 17:05:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-23 17:05:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-23 17:05:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:05:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:05:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-11-23 17:05:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-11-23 17:05:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-23 17:05:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-23 17:05:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 17:05:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 17:05:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-23 17:05:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-23 17:05:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-23 17:05:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-23 17:05:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:05:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 17:05:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 17:05:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-23 17:05:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-23 17:05:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-23 17:05:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-23 17:05:16,871 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:16,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:17,224 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:17,230 INFO L158 Benchmark]: Toolchain (without parser) took 9019.80ms. Allocated memory was 119.5MB in the beginning and 362.8MB in the end (delta: 243.3MB). Free memory was 85.0MB in the beginning and 209.0MB in the end (delta: -124.0MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. [2021-11-23 17:05:17,231 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:17,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5972.45ms. Allocated memory was 119.5MB in the beginning and 241.2MB in the end (delta: 121.6MB). Free memory was 84.5MB in the beginning and 109.9MB in the end (delta: -25.5MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:17,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 548.58ms. Allocated memory is still 241.2MB. Free memory was 109.9MB in the beginning and 127.4MB in the end (delta: -17.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-11-23 17:05:17,233 INFO L158 Benchmark]: Boogie Preprocessor took 675.92ms. Allocated memory was 241.2MB in the beginning and 362.8MB in the end (delta: 121.6MB). Free memory was 127.4MB in the beginning and 240.7MB in the end (delta: -113.3MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2021-11-23 17:05:17,234 INFO L158 Benchmark]: RCFGBuilder took 1816.57ms. Allocated memory is still 362.8MB. Free memory was 240.7MB in the beginning and 209.0MB in the end (delta: 31.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:17,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5972.45ms. Allocated memory was 119.5MB in the beginning and 241.2MB in the end (delta: 121.6MB). Free memory was 84.5MB in the beginning and 109.9MB in the end (delta: -25.5MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 548.58ms. Allocated memory is still 241.2MB. Free memory was 109.9MB in the beginning and 127.4MB in the end (delta: -17.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 675.92ms. Allocated memory was 241.2MB in the beginning and 362.8MB in the end (delta: 121.6MB). Free memory was 127.4MB in the beginning and 240.7MB in the end (delta: -113.3MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1816.57ms. Allocated memory is still 362.8MB. Free memory was 240.7MB in the beginning and 209.0MB in the end (delta: 31.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:17,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:20,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:20,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:20,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:20,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:20,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:20,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:20,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:20,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:20,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:20,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:20,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:20,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:20,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:20,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:20,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:20,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:20,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:20,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:20,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:20,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:20,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:20,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:20,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:20,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:20,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:20,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:20,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:20,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:20,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:20,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:20,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:20,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:20,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:20,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:20,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:20,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:20,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:20,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:20,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:20,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:20,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:05:20,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:20,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:20,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:20,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:20,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:20,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:20,160 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:20,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:20,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:20,160 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:20,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:20,161 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:20,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:20,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:20,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:20,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:20,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:20,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:05:20,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:05:20,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:05:20,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:20,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:20,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:20,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:20,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:05:20,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:20,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:20,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:20,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:20,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:20,165 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:05:20,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:05:20,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:20,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:20,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:20,167 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-11-23 17:05:20,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:20,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:20,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:20,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:20,700 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:20,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-11-23 17:05:20,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/d3538562c/458cbb81f2dd46339b34a6c20383c092/FLAG99bf0ecb0 [2021-11-23 17:05:21,866 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:21,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-11-23 17:05:21,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/d3538562c/458cbb81f2dd46339b34a6c20383c092/FLAG99bf0ecb0 [2021-11-23 17:05:22,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/data/d3538562c/458cbb81f2dd46339b34a6c20383c092 [2021-11-23 17:05:22,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:22,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:22,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:22,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:22,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:22,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:22" (1/1) ... [2021-11-23 17:05:22,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fcf19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:22, skipping insertion in model container [2021-11-23 17:05:22,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:22" (1/1) ... [2021-11-23 17:05:22,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:22,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:26,478 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-11-23 17:05:26,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:26,665 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:05:26,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:27,539 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-11-23 17:05:27,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:27,588 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:28,559 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_a24c4a08-4a23-4f89-991f-cc44123c1c8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-11-23 17:05:28,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:28,847 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:28,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28 WrapperNode [2021-11-23 17:05:28,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:28,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:28,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:28,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:28,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,339 INFO L137 Inliner]: procedures = 404, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 8926 [2021-11-23 17:05:29,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:29,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:29,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:29,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:29,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:29,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:29,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:29,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:29,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:29,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:28" (1/1) ... [2021-11-23 17:05:30,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:30,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:30,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-23 17:05:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-23 17:05:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:05:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 17:05:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 17:05:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:05:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:05:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-23 17:05:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-23 17:05:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 17:05:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 17:05:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-23 17:05:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-23 17:05:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-11-23 17:05:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-11-23 17:05:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:05:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:05:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-11-23 17:05:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-11-23 17:05:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-23 17:05:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-23 17:05:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-23 17:05:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-23 17:05:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 17:05:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 17:05:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 17:05:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 17:05:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-11-23 17:05:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-11-23 17:05:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-23 17:05:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-23 17:05:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-11-23 17:05:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-11-23 17:05:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:05:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:05:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-11-23 17:05:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-11-23 17:05:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-23 17:05:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-23 17:05:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:05:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-23 17:05:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-23 17:05:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-11-23 17:05:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-11-23 17:05:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-11-23 17:05:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-11-23 17:05:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:05:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:05:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-23 17:05:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-23 17:05:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:05:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:05:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-11-23 17:05:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-11-23 17:05:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-11-23 17:05:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-11-23 17:05:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 17:05:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 17:05:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:05:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:05:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:05:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:05:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 17:05:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 17:05:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 17:05:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 17:05:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:05:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:05:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-11-23 17:05:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-11-23 17:05:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:05:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:05:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 17:05:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 17:05:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-11-23 17:05:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-11-23 17:05:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:05:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:05:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-23 17:05:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-23 17:05:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-23 17:05:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-23 17:05:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 17:05:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 17:05:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:05:30,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:05:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-11-23 17:05:30,185 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-11-23 17:05:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-11-23 17:05:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-11-23 17:05:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 17:05:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 17:05:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-11-23 17:05:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-11-23 17:05:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-11-23 17:05:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-11-23 17:05:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-23 17:05:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-23 17:05:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:05:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:05:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-23 17:05:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-23 17:05:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-11-23 17:05:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-11-23 17:05:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-23 17:05:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-23 17:05:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 17:05:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 17:05:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:05:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-23 17:05:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-23 17:05:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-11-23 17:05:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-11-23 17:05:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-23 17:05:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-23 17:05:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:05:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-11-23 17:05:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-11-23 17:05:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:05:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:05:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:05:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-11-23 17:05:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-11-23 17:05:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:05:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-23 17:05:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-23 17:05:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-11-23 17:05:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-11-23 17:05:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-11-23 17:05:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-11-23 17:05:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-11-23 17:05:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-11-23 17:05:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-11-23 17:05:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-11-23 17:05:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 17:05:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 17:05:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-11-23 17:05:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-11-23 17:05:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-23 17:05:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-23 17:05:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-11-23 17:05:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-11-23 17:05:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-11-23 17:05:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-11-23 17:05:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 17:05:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 17:05:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 17:05:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 17:05:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:05:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-23 17:05:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-23 17:05:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-11-23 17:05:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-11-23 17:05:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-11-23 17:05:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-11-23 17:05:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:05:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:05:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:05:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-23 17:05:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-23 17:05:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:05:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:05:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:05:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:05:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:05:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:05:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:05:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-23 17:05:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-23 17:05:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:05:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:05:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 17:05:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 17:05:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-11-23 17:05:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-11-23 17:05:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-11-23 17:05:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-11-23 17:05:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-11-23 17:05:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-11-23 17:05:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-23 17:05:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-23 17:05:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:05:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:05:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:05:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:05:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-23 17:05:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-23 17:05:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-11-23 17:05:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-11-23 17:05:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:05:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:05:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:05:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:05:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:05:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:05:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 17:05:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 17:05:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 17:05:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 17:05:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-11-23 17:05:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-11-23 17:05:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-23 17:05:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-23 17:05:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:05:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:05:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-11-23 17:05:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-11-23 17:05:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:05:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 17:05:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 17:05:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 17:05:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:05:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-23 17:05:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-23 17:05:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-23 17:05:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-23 17:05:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 17:05:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 17:05:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:05:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:05:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-23 17:05:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-23 17:05:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-23 17:05:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-23 17:05:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-11-23 17:05:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-11-23 17:05:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 17:05:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 17:05:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-23 17:05:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-23 17:05:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:05:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:05:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-23 17:05:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-23 17:05:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-11-23 17:05:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-11-23 17:05:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-11-23 17:05:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-11-23 17:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-23 17:05:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-23 17:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-23 17:05:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-23 17:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 17:05:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 17:05:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-11-23 17:05:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-11-23 17:05:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 17:05:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 17:05:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:05:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:05:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-11-23 17:05:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-11-23 17:05:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-11-23 17:05:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-11-23 17:05:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:05:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:05:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:05:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:05:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:05:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:05:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 17:05:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 17:05:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:05:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:05:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-23 17:05:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-23 17:05:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:05:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:05:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-11-23 17:05:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-11-23 17:05:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-11-23 17:05:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-11-23 17:05:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-23 17:05:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-23 17:05:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:05:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:05:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-11-23 17:05:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-11-23 17:05:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-23 17:05:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-23 17:05:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 17:05:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 17:05:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-23 17:05:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-23 17:05:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-23 17:05:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-23 17:05:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 17:05:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 17:05:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-23 17:05:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-23 17:05:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-23 17:05:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-23 17:05:31,467 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:31,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:32,277 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:32,281 INFO L158 Benchmark]: Toolchain (without parser) took 10083.98ms. Allocated memory was 60.8MB in the beginning and 532.7MB in the end (delta: 471.9MB). Free memory was 31.4MB in the beginning and 319.1MB in the end (delta: -287.7MB). Peak memory consumption was 204.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:32,281 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:32,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6650.43ms. Allocated memory was 60.8MB in the beginning and 532.7MB in the end (delta: 471.9MB). Free memory was 31.2MB in the beginning and 368.2MB in the end (delta: -337.0MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:32,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 491.22ms. Allocated memory is still 532.7MB. Free memory was 368.2MB in the beginning and 318.9MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:32,288 INFO L158 Benchmark]: Boogie Preprocessor took 652.06ms. Allocated memory is still 532.7MB. Free memory was 318.9MB in the beginning and 380.8MB in the end (delta: -61.9MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:32,289 INFO L158 Benchmark]: RCFGBuilder took 2284.40ms. Allocated memory is still 532.7MB. Free memory was 380.8MB in the beginning and 319.1MB in the end (delta: 61.7MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:32,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6650.43ms. Allocated memory was 60.8MB in the beginning and 532.7MB in the end (delta: 471.9MB). Free memory was 31.2MB in the beginning and 368.2MB in the end (delta: -337.0MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 491.22ms. Allocated memory is still 532.7MB. Free memory was 368.2MB in the beginning and 318.9MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 652.06ms. Allocated memory is still 532.7MB. Free memory was 318.9MB in the beginning and 380.8MB in the end (delta: -61.9MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2284.40ms. Allocated memory is still 532.7MB. Free memory was 380.8MB in the beginning and 319.1MB in the end (delta: 61.7MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:32,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24c4a08-4a23-4f89-991f-cc44123c1c8f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable