./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.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_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/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 7d52d764653ccaf641523e38bfee7eec0edee18b ................................................................................................................................................................ 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_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/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 7d52d764653ccaf641523e38bfee7eec0edee18b .................................................................................................................................... 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 07:43:20,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:43:20,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:43:20,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:43:20,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:43:20,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:43:20,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:43:20,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:43:20,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:43:20,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:43:20,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:43:20,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:43:20,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:43:20,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:43:20,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:43:20,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:43:20,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:43:20,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:43:20,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:43:20,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:43:20,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:43:20,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:43:20,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:43:20,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:43:20,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:43:20,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:43:20,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:43:20,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:43:20,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:43:20,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:43:20,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:43:20,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:43:20,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:43:20,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:43:20,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:43:20,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:43:20,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:43:20,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:43:20,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:43:20,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:43:20,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:43:20,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-28 07:43:20,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:43:20,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:43:20,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:43:20,455 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:43:20,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:43:20,455 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:43:20,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:43:20,456 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:43:20,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:43:20,456 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:43:20,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:43:20,458 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:43:20,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:43:20,458 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:43:20,458 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:43:20,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:43:20,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:43:20,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:43:20,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:43:20,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:43:20,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:43:20,460 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:43:20,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:43:20,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:43:20,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:43:20,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:43:20,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:43:20,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:43:20,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:43:20,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:43:20,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:43:20,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:43:20,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:43:20,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:43:20,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:43:20,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:43:20,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:43:20,465 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-28 07:43:20,466 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_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d52d764653ccaf641523e38bfee7eec0edee18b [2020-11-28 07:43:20,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:43:20,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:43:20,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:43:20,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:43:20,773 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:43:20,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 07:43:20,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/01667de6e/a2aba7fea92c4cb8befb99c09b4e42e6/FLAG927d6ae12 [2020-11-28 07:43:22,191 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:43:22,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 07:43:22,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/01667de6e/a2aba7fea92c4cb8befb99c09b4e42e6/FLAG927d6ae12 [2020-11-28 07:43:22,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/01667de6e/a2aba7fea92c4cb8befb99c09b4e42e6 [2020-11-28 07:43:22,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:43:22,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:43:22,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:22,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:43:22,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:43:22,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:22" (1/1) ... [2020-11-28 07:43:22,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e28f2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:22, skipping insertion in model container [2020-11-28 07:43:22,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:22" (1/1) ... [2020-11-28 07:43:22,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:43:23,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:43:26,315 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 07:43:27,149 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 07:43:27,187 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 07:43:27,206 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 07:43:27,225 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 07:43:27,244 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 07:43:27,288 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 07:43:27,306 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 07:43:27,323 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 07:43:27,340 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 07:43:27,360 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 07:43:27,377 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 07:43:27,394 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 07:43:27,419 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 07:43:27,462 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 07:43:27,479 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 07:43:27,499 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 07:43:27,517 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 07:43:27,602 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 07:43:27,619 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 07:43:27,703 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 07:43:27,725 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 07:43:27,742 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 07:43:27,751 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:43:27,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7511e065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:27, skipping insertion in model container [2020-11-28 07:43:27,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:27,752 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:43:27,756 INFO L168 Benchmark]: Toolchain (without parser) took 5020.06 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 60.6 MB in the beginning and 53.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:27,757 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 52.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:43:27,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5017.02 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 60.6 MB in the beginning and 53.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:27,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 52.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5017.02 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 60.6 MB in the beginning and 53.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8703]: 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 07:43:29,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:43:29,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:43:29,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:43:29,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:43:29,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:43:29,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:43:30,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:43:30,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:43:30,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:43:30,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:43:30,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:43:30,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:43:30,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:43:30,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:43:30,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:43:30,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:43:30,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:43:30,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:43:30,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:43:30,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:43:30,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:43:30,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:43:30,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:43:30,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:43:30,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:43:30,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:43:30,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:43:30,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:43:30,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:43:30,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:43:30,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:43:30,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:43:30,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:43:30,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:43:30,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:43:30,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:43:30,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:43:30,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:43:30,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:43:30,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:43:30,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-28 07:43:30,093 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:43:30,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:43:30,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:43:30,107 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:43:30,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:43:30,107 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:43:30,108 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:43:30,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:43:30,108 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:43:30,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:43:30,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:43:30,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:43:30,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:43:30,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:43:30,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:43:30,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:43:30,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:43:30,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:43:30,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:43:30,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:43:30,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:43:30,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:43:30,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:43:30,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:43:30,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:43:30,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:43:30,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:43:30,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:43:30,115 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:43:30,115 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:43:30,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:43:30,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:43:30,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:43:30,116 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_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d52d764653ccaf641523e38bfee7eec0edee18b [2020-11-28 07:43:30,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:43:30,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:43:30,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:43:30,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:43:30,510 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:43:30,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 07:43:30,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/fce66d68a/9e273b05b8ad4fc3a3f24f57b83b6986/FLAG44fd47232 [2020-11-28 07:43:32,008 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:43:32,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 07:43:32,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/fce66d68a/9e273b05b8ad4fc3a3f24f57b83b6986/FLAG44fd47232 [2020-11-28 07:43:32,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_375d42a1-19e1-4bed-8f2c-6a3dbcd10695/bin/utaipan/data/fce66d68a/9e273b05b8ad4fc3a3f24f57b83b6986 [2020-11-28 07:43:32,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:43:32,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:43:32,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:32,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:43:32,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:43:32,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:32" (1/1) ... [2020-11-28 07:43:32,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f644d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:32, skipping insertion in model container [2020-11-28 07:43:32,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:32" (1/1) ... [2020-11-28 07:43:32,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:43:32,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:43:37,672 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:43:37,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@634ea3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:37, skipping insertion in model container [2020-11-28 07:43:37,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:37,674 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:43:37,677 INFO L168 Benchmark]: Toolchain (without parser) took 5199.50 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 26.5 MB in the beginning and 70.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:37,679 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:43:37,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5196.97 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 26.4 MB in the beginning and 70.6 MB in the end (delta: -44.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:37,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5196.97 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 26.4 MB in the beginning and 70.6 MB in the end (delta: -44.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8703]: 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...