./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan --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 ff1393cf782277ce173db73ec7f4032dff0bfc4c ....................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan --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 ff1393cf782277ce173db73ec7f4032dff0bfc4c .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:30:24,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:30:24,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:30:25,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:30:25,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:30:25,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:30:25,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:30:25,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:30:25,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:30:25,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:30:25,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:30:25,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:30:25,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:30:25,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:30:25,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:30:25,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:30:25,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:30:25,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:30:25,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:30:25,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:30:25,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:30:25,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:30:25,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:30:25,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:30:25,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:30:25,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:30:25,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:30:25,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:30:25,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:30:25,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:30:25,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:30:25,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:30:25,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:30:25,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:30:25,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:30:25,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:30:25,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:30:25,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:30:25,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:30:25,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:30:25,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:30:25,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-28 07:30:25,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:30:25,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:30:25,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:30:25,142 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:30:25,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:30:25,143 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:30:25,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:30:25,143 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:30:25,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:30:25,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:30:25,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:30:25,144 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:30:25,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:30:25,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:30:25,145 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:30:25,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:30:25,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:30:25,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:30:25,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:30:25,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:30:25,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:30:25,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:30:25,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:30:25,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:30:25,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:30:25,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:30:25,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:30:25,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:30:25,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:30:25,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:30:25,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:30:25,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:30:25,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:30:25,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:30:25,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:30:25,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:30:25,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:30:25,153 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-28 07:30:25,153 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-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1393cf782277ce173db73ec7f4032dff0bfc4c [2020-11-28 07:30:25,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:30:25,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:30:25,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:30:25,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:30:25,455 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:30:25,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-28 07:30:25,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/6480a1259/eb318e56adcd4b8a9134911ef3e899e5/FLAG6e20ebc45 [2020-11-28 07:30:27,011 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:30:27,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-28 07:30:27,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/6480a1259/eb318e56adcd4b8a9134911ef3e899e5/FLAG6e20ebc45 [2020-11-28 07:30:27,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/6480a1259/eb318e56adcd4b8a9134911ef3e899e5 [2020-11-28 07:30:27,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:30:27,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:30:27,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:27,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:30:27,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:30:27,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:27" (1/1) ... [2020-11-28 07:30:27,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a9b314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:27, skipping insertion in model container [2020-11-28 07:30:27,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:27" (1/1) ... [2020-11-28 07:30:27,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:30:27,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:30:30,862 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:31,141 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:31,149 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:31,311 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:31,530 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:33,341 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:33,387 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,326 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,352 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,357 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,370 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,371 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,374 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,376 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:30:34,380 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:30:34,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@149dcf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:34, skipping insertion in model container [2020-11-28 07:30:34,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:34,382 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:30:34,386 INFO L168 Benchmark]: Toolchain (without parser) took 6964.41 ms. Allocated memory was 144.7 MB in the beginning and 232.8 MB in the end (delta: 88.1 MB). Free memory was 92.0 MB in the beginning and 111.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:34,386 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 61.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:30:34,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6959.12 ms. Allocated memory was 144.7 MB in the beginning and 232.8 MB in the end (delta: 88.1 MB). Free memory was 92.0 MB in the beginning and 111.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:34,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 61.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6959.12 ms. Allocated memory was 144.7 MB in the beginning and 232.8 MB in the end (delta: 88.1 MB). Free memory was 92.0 MB in the beginning and 111.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15564]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:30:36,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:30:36,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:30:36,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:30:36,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:30:36,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:30:37,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:30:37,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:30:37,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:30:37,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:30:37,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:30:37,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:30:37,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:30:37,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:30:37,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:30:37,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:30:37,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:30:37,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:30:37,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:30:37,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:30:37,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:30:37,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:30:37,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:30:37,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:30:37,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:30:37,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:30:37,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:30:37,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:30:37,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:30:37,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:30:37,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:30:37,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:30:37,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:30:37,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:30:37,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:30:37,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:30:37,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:30:37,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:30:37,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:30:37,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:30:37,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:30:37,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-28 07:30:37,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:30:37,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:30:37,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:30:37,096 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:30:37,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:30:37,096 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:30:37,097 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:30:37,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:30:37,098 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:30:37,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:30:37,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:30:37,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:30:37,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:30:37,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:30:37,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:30:37,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:30:37,102 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:30:37,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:30:37,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:30:37,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:30:37,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:30:37,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:30:37,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:30:37,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:30:37,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:30:37,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:30:37,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:30:37,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:30:37,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:30:37,110 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:30:37,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:30:37,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:30:37,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:30:37,110 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-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1393cf782277ce173db73ec7f4032dff0bfc4c [2020-11-28 07:30:37,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:30:37,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:30:37,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:30:37,596 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:30:37,596 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:30:37,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-28 07:30:37,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/f02923231/37fe1796f19a400887d816a3edd87e74/FLAG01f4816c1 [2020-11-28 07:30:39,374 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:30:39,375 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-28 07:30:39,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/f02923231/37fe1796f19a400887d816a3edd87e74/FLAG01f4816c1 [2020-11-28 07:30:39,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2860a026-203f-4a62-9671-cecc0260216e/bin/utaipan/data/f02923231/37fe1796f19a400887d816a3edd87e74 [2020-11-28 07:30:39,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:30:39,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:30:39,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:39,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:30:39,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:30:39,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:39" (1/1) ... [2020-11-28 07:30:39,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfe515f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:39, skipping insertion in model container [2020-11-28 07:30:39,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:39" (1/1) ... [2020-11-28 07:30:39,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:30:40,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:30:47,129 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:30:47,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e78a35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:47, skipping insertion in model container [2020-11-28 07:30:47,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:47,142 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:30:47,147 INFO L168 Benchmark]: Toolchain (without parser) took 7514.52 ms. Allocated memory was 73.4 MB in the beginning and 140.5 MB in the end (delta: 67.1 MB). Free memory was 30.6 MB in the beginning and 48.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:47,148 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:30:47,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7511.11 ms. Allocated memory was 73.4 MB in the beginning and 140.5 MB in the end (delta: 67.1 MB). Free memory was 30.4 MB in the beginning and 48.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:47,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7511.11 ms. Allocated memory was 73.4 MB in the beginning and 140.5 MB in the end (delta: 67.1 MB). Free memory was 30.4 MB in the beginning and 48.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15564]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...