./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 685a08a87b7eec7c1b23eecb1a60e5f1617633ce ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:37:04,010 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:37:04,012 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:37:04,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:37:04,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:37:04,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:37:04,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:37:04,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:37:04,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:37:04,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:37:04,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:37:04,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:37:04,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:37:04,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:37:04,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:37:04,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:37:04,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:37:04,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:37:04,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:37:04,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:37:04,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:37:04,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:37:04,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:37:04,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:37:04,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:37:04,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:37:04,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:37:04,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:37:04,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:37:04,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:37:04,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:37:04,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:37:04,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:37:04,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:37:04,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:37:04,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:37:04,046 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:37:04,058 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:37:04,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:37:04,059 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:37:04,059 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:37:04,060 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:37:04,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:37:04,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:37:04,060 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:37:04,061 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:37:04,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:37:04,062 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:37:04,062 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:37:04,062 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:37:04,062 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:37:04,062 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:37:04,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:37:04,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak 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 -> Kojak 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 -> 685a08a87b7eec7c1b23eecb1a60e5f1617633ce [2018-11-18 17:37:04,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:37:04,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:37:04,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:37:04,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:37:04,100 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:37:04,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change_true-unreach-call.i [2018-11-18 17:37:04,143 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/data/ee3ad1c4c/55d2c515e10e42a4b374fd8b23e67f2a/FLAGb868ed821 [2018-11-18 17:37:04,677 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:37:04,677 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change_true-unreach-call.i [2018-11-18 17:37:04,707 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/data/ee3ad1c4c/55d2c515e10e42a4b374fd8b23e67f2a/FLAGb868ed821 [2018-11-18 17:37:04,901 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c953259-c10f-42e3-9bad-afb12b5621f9/bin-2019/ukojak/data/ee3ad1c4c/55d2c515e10e42a4b374fd8b23e67f2a [2018-11-18 17:37:04,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:37:04,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:37:04,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:37:04,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:37:04,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:37:04,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:37:04" (1/1) ... [2018-11-18 17:37:04,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a27f820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:37:04, skipping insertion in model container [2018-11-18 17:37:04,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:37:04" (1/1) ... [2018-11-18 17:37:04,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:37:05,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:37:05,606 ERROR L311 MainTranslator]: Unsupported Syntax: Unsupported function: __VERIFIER_atomic_begin [2018-11-18 17:37:05,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e04fa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:37:05, skipping insertion in model container [2018-11-18 17:37:05,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:37:05,608 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 17:37:05,609 INFO L168 Benchmark]: Toolchain (without parser) took 704.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 899.1 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:37:05,611 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:37:05,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.29 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 899.1 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:37:05,614 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 702.29 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 899.1 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 379]: Unsupported Syntax Unsupported function: __VERIFIER_atomic_begin RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...