./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/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 32bit --witnessprinter.graph.data.programhash eefa9a333e1ee4770c037634061df0061348ca43 .......................................................................................................................................... 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_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/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 32bit --witnessprinter.graph.data.programhash eefa9a333e1ee4770c037634061df0061348ca43 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:28:05,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:28:05,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:28:05,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:28:05,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:28:05,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:28:05,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:28:05,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:28:05,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:28:05,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:28:05,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:28:05,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:28:05,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:28:05,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:28:05,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:28:05,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:28:05,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:28:05,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:28:05,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:28:05,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:28:05,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:28:05,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:28:05,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:28:05,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:28:05,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:28:05,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:28:05,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:28:05,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:28:05,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:28:05,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:28:05,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:28:05,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:28:05,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:28:05,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:28:05,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:28:05,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:28:05,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:28:05,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:28:05,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:28:05,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:28:05,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:28:05,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:28:05,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:28:05,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:28:05,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:28:05,442 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:28:05,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:28:05,442 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:28:05,442 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:28:05,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:28:05,443 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:28:05,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:28:05,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:28:05,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:28:05,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:28:05,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:28:05,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:28:05,446 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_fc79e9bf-9f34-4f21-af73-1cf128c82d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-09 19:28:05,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:28:05,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:28:05,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:28:05,654 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:28:05,654 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:28:05,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-09 19:28:05,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/74bc51e3f/ce79ccbd24a24e4b95d3fdebec773bf3/FLAG308050965 [2020-12-09 19:28:06,256 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:28:06,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-09 19:28:06,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/74bc51e3f/ce79ccbd24a24e4b95d3fdebec773bf3/FLAG308050965 [2020-12-09 19:28:06,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/74bc51e3f/ce79ccbd24a24e4b95d3fdebec773bf3 [2020-12-09 19:28:06,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:28:06,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:28:06,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:28:06,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:28:06,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:28:06,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:28:06" (1/1) ... [2020-12-09 19:28:06,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf562ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:28:06, skipping insertion in model container [2020-12-09 19:28:06,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:28:06" (1/1) ... [2020-12-09 19:28:06,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:28:06,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:28:07,075 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2020-12-09 19:28:09,742 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 19:28:09,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a37d908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:28:09, skipping insertion in model container [2020-12-09 19:28:09,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:28:09,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:28:09,745 INFO L168 Benchmark]: Toolchain (without parser) took 3006.37 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 55.7 MB in the beginning and 72.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-12-09 19:28:09,745 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:28:09,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3004.68 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 55.5 MB in the beginning and 72.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-12-09 19:28:09,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3004.68 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 55.5 MB in the beginning and 72.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:28:11,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:28:11,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:28:11,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:28:11,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:28:11,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:28:11,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:28:11,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:28:11,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:28:11,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:28:11,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:28:11,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:28:11,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:28:11,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:28:11,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:28:11,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:28:11,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:28:11,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:28:11,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:28:11,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:28:11,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:28:11,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:28:11,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:28:11,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:28:11,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:28:11,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:28:11,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:28:11,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:28:11,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:28:11,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:28:11,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:28:11,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:28:11,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:28:11,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:28:11,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:28:11,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:28:11,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:28:11,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:28:11,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:28:11,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:28:11,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:28:11,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 19:28:11,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:28:11,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:28:11,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:28:11,131 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:28:11,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:28:11,131 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:28:11,132 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:28:11,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:28:11,132 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:28:11,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:28:11,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:28:11,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:28:11,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:28:11,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:28:11,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:28:11,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:28:11,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:28:11,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:28:11,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:28:11,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:28:11,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:28:11,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:28:11,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:28:11,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:28:11,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:28:11,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:28:11,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:28:11,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:28:11,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:28:11,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:28:11,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:28:11,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:28:11,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:28:11,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:28:11,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:28:11,138 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_fc79e9bf-9f34-4f21-af73-1cf128c82d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-09 19:28:11,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:28:11,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:28:11,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:28:11,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:28:11,403 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:28:11,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-09 19:28:11,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/f230ea32a/aca245b335db45f59709adc791a22821/FLAG8dcfd1aa4 [2020-12-09 19:28:12,093 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:28:12,094 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-09 19:28:12,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/f230ea32a/aca245b335db45f59709adc791a22821/FLAG8dcfd1aa4 [2020-12-09 19:28:12,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/bin/utaipan/data/f230ea32a/aca245b335db45f59709adc791a22821 [2020-12-09 19:28:12,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:28:12,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:28:12,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:28:12,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:28:12,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:28:12,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:28:12" (1/1) ... [2020-12-09 19:28:12,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189168e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:28:12, skipping insertion in model container [2020-12-09 19:28:12,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:28:12" (1/1) ... [2020-12-09 19:28:12,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:28:12,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:28:12,852 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fc79e9bf-9f34-4f21-af73-1cf128c82d20/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2020-12-09 19:28:15,422 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 19:28:15,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@98cb00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:28:15, skipping insertion in model container [2020-12-09 19:28:15,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:28:15,423 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:28:15,425 INFO L168 Benchmark]: Toolchain (without parser) took 2920.13 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.7 MB in the beginning and 34.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:28:15,425 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:28:15,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2917.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 34.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:28:15,427 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 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2917.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 34.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...