./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i -s /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0922c594c349335feaa0d5831724b8d7c1f805a6 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:51:16,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:16,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:16,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:16,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:16,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:16,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:16,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:16,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:16,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:16,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:16,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:16,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:16,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:16,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:16,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:16,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:16,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:16,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:16,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:16,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:16,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:16,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:16,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:16,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:16,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:16,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:16,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:16,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:16,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:16,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:16,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:16,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:16,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:16,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:16,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:16,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:16,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:16,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:16,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:16,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:16,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:51:16,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:16,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:16,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:16,770 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:51:16,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:51:16,770 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:51:16,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:51:16,771 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:51:16,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:51:16,771 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:51:16,771 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:51:16,771 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:51:16,772 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:51:16,772 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:51:16,772 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:51:16,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:51:16,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:51:16,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:51:16,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:16,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:51:16,775 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_17c2401c-27d9-4553-b86f-963eb7bcdcd8/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(__VERIFIER_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 -> 0922c594c349335feaa0d5831724b8d7c1f805a6 [2019-11-26 02:51:16,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:16,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:16,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:16,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:16,933 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:16,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2019-11-26 02:51:16,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/data/063c29c2c/52209170c640410784407c67a22c21ff/FLAGa60d302f8 [2019-11-26 02:51:17,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:17,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2019-11-26 02:51:17,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/data/063c29c2c/52209170c640410784407c67a22c21ff/FLAGa60d302f8 [2019-11-26 02:51:18,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17c2401c-27d9-4553-b86f-963eb7bcdcd8/bin/utaipan/data/063c29c2c/52209170c640410784407c67a22c21ff [2019-11-26 02:51:18,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:18,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:18,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:18,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:18,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:18,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:18" (1/1) ... [2019-11-26 02:51:18,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268d708c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:18, skipping insertion in model container [2019-11-26 02:51:18,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:18" (1/1) ... [2019-11-26 02:51:18,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:18,118 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:21,595 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-26 02:51:21,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e20ef22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:21, skipping insertion in model container [2019-11-26 02:51:21,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:21,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 02:51:21,598 INFO L168 Benchmark]: Toolchain (without parser) took 3592.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:21,598 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:21,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3590.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:21,601 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3590.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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...