./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.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_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/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 430b8b0e2120a8dfe207defa24a65c02d3be96cf ................................................................................................................................................... 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_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/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 430b8b0e2120a8dfe207defa24a65c02d3be96cf .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:07,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:07,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:07,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:07,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:07,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:07,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:07,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:07,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:07,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:07,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:07,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:07,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:07,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:07,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:07,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:07,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:07,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:07,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:07,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:07,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:07,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:07,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:07,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:07,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:07,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:07,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:07,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:07,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:07,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:07,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:07,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:07,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:07,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:07,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:07,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:07,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:07,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:07,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:07,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:07,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:07,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:06:07,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:07,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:07,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:07,417 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:07,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:07,418 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:07,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:07,418 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:07,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:07,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:07,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:07,420 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:07,421 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:07,421 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:07,421 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:07,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:07,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:07,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:07,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:07,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:07,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:07,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:07,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:07,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:07,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:07,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:07,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:07,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:07,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:07,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:07,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:07,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:07,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:07,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:07,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:07,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:07,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:07,429 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:06:07,429 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_c41732d2-33a3-483a-bbab-5e363b4db150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 430b8b0e2120a8dfe207defa24a65c02d3be96cf [2020-11-22 13:06:07,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:07,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:07,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:07,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:07,800 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:07,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-22 13:06:07,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/0c61ab8fa/793992cf11d243df8cd3b95aa26b4238/FLAG854dab667 [2020-11-22 13:06:08,980 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:08,980 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-22 13:06:09,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/0c61ab8fa/793992cf11d243df8cd3b95aa26b4238/FLAG854dab667 [2020-11-22 13:06:09,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/0c61ab8fa/793992cf11d243df8cd3b95aa26b4238 [2020-11-22 13:06:09,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:09,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:09,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:09,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:09,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:09,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:09" (1/1) ... [2020-11-22 13:06:09,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c751e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:09, skipping insertion in model container [2020-11-22 13:06:09,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:09" (1/1) ... [2020-11-22 13:06:09,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:09,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:11,285 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,291 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,298 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,382 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,390 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,583 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,591 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,597 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,604 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,614 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:11,627 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:06:11,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52dbf890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:11, skipping insertion in model container [2020-11-22 13:06:11,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:11,628 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:11,631 INFO L168 Benchmark]: Toolchain (without parser) took 2558.09 ms. Allocated memory was 81.8 MB in the beginning and 144.7 MB in the end (delta: 62.9 MB). Free memory was 48.7 MB in the beginning and 93.7 MB in the end (delta: -45.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:11,632 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:11,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2555.59 ms. Allocated memory was 81.8 MB in the beginning and 144.7 MB in the end (delta: 62.9 MB). Free memory was 48.4 MB in the beginning and 93.7 MB in the end (delta: -45.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:11,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2555.59 ms. Allocated memory was 81.8 MB in the beginning and 144.7 MB in the end (delta: 62.9 MB). Free memory was 48.4 MB in the beginning and 93.7 MB in the end (delta: -45.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7594]: 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 [2020-11-22 13:06:13,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:13,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:13,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:13,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:13,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:13,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:13,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:13,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:13,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:13,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:13,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:13,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:13,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:13,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:13,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:13,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:13,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:13,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:13,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:13,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:13,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:13,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:13,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:13,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:13,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:13,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:13,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:13,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:13,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:13,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:13,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:13,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:13,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:13,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:13,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:13,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:13,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:13,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:13,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:13,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:13,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:06:14,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:14,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:14,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:14,034 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:14,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:14,034 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:14,034 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:14,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:14,035 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:14,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:14,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:14,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:14,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:14,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:14,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:14,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:14,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:14,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:14,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:14,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:14,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:14,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:14,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:14,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:14,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:14,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:14,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:14,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:14,041 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:14,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:14,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:14,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:14,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:14,042 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_c41732d2-33a3-483a-bbab-5e363b4db150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 430b8b0e2120a8dfe207defa24a65c02d3be96cf [2020-11-22 13:06:14,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:14,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:14,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:14,491 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:14,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-22 13:06:14,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/9ba6ca705/bdf6b1ee0cfb478fb24c5f4be0b64a15/FLAGcdb46890d [2020-11-22 13:06:15,698 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:15,699 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-22 13:06:15,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/9ba6ca705/bdf6b1ee0cfb478fb24c5f4be0b64a15/FLAGcdb46890d [2020-11-22 13:06:16,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c41732d2-33a3-483a-bbab-5e363b4db150/bin/utaipan/data/9ba6ca705/bdf6b1ee0cfb478fb24c5f4be0b64a15 [2020-11-22 13:06:16,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:16,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:16,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:16,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:16,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:16,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:16" (1/1) ... [2020-11-22 13:06:16,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e329cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:16, skipping insertion in model container [2020-11-22 13:06:16,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:16" (1/1) ... [2020-11-22 13:06:16,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:16,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:18,594 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:06:18,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51ef5604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:18, skipping insertion in model container [2020-11-22 13:06:18,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:18,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:18,600 INFO L168 Benchmark]: Toolchain (without parser) took 2567.09 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 38.6 MB in the beginning and 45.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:18,602 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:18,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2564.73 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 38.4 MB in the beginning and 45.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:18,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2564.73 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 38.4 MB in the beginning and 45.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7594]: 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...