./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/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 4a6d229a5ae65d15a97c455ad013423c29add6ae ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:30,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:30,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:30,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:30,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:30,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:30,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:30,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:30,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:30,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:30,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:30,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:30,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:30,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:30,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:30,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:30,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:30,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:30,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:30,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:30,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:30,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:30,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:30,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:30,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:30,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:30,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:30,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:30,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:30,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:30,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:30,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:30,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:30,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:30,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:30,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:30,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:30,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:30,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:30,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:30,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:30,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:30,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:30,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:30,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:30,350 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:30,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:30,350 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:30,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:30,351 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:30,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:30,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:30,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:30,352 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:30,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:30,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:30,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:30,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:30,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:30,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:30,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:30,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:30,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:30,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:30,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:30,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:30,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:30,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:30,357 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:30,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:30,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:30,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:30,358 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/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/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 -> 4a6d229a5ae65d15a97c455ad013423c29add6ae [2019-10-22 11:22:30,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:30,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:30,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:30,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:30,416 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:30,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2019-10-22 11:22:30,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/data/7110c7429/a2c9791f94b4481ebae2b1a8f02524a7/FLAG6f94e2e97 [2019-10-22 11:22:31,196 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:31,197 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2019-10-22 11:22:31,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/data/7110c7429/a2c9791f94b4481ebae2b1a8f02524a7/FLAG6f94e2e97 [2019-10-22 11:22:31,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b45f934c-7d17-41f1-a5df-ac6a11ce937c/bin/utaipan/data/7110c7429/a2c9791f94b4481ebae2b1a8f02524a7 [2019-10-22 11:22:31,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:31,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:31,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:31,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:31,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:31,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:31" (1/1) ... [2019-10-22 11:22:31,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17199298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:31, skipping insertion in model container [2019-10-22 11:22:31,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:31" (1/1) ... [2019-10-22 11:22:31,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:31,637 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:34,931 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-10-22 11:22:34,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bb14045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34, skipping insertion in model container [2019-10-22 11:22:34,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:34,932 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 11:22:34,935 INFO L168 Benchmark]: Toolchain (without parser) took 3441.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,935 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:34,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3439.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 923.5 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,937 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3439.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 923.5 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 58.6 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...