./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/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 e2a9c8e583dbe6d7e1bfe74d58bd278ff56b8445 .......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:54:37,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:54:37,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:54:37,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:54:37,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:54:37,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:54:37,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:54:37,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:54:37,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:54:37,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:54:37,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:54:37,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:54:37,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:54:37,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:54:37,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:54:37,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:54:37,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:54:37,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:54:37,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:54:37,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:54:37,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:54:37,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:54:37,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:54:37,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:54:37,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:54:37,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:54:37,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:54:37,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:54:37,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:54:37,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:54:37,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:54:37,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:54:37,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:54:37,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:54:37,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:54:37,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:54:37,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:54:37,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:54:37,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:54:37,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:54:37,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:54:37,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 00:54:37,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:54:37,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:54:37,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 00:54:37,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 00:54:37,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:54:37,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:54:37,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:54:37,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:54:37,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:54:37,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:54:37,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:54:37,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:54:37,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:54:37,883 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 00:54:37,883 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 00:54:37,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:54:37,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:54:37,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 00:54:37,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:54:37,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:54:37,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:54:37,885 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 00:54:37,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:54:37,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:54:37,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/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 -> e2a9c8e583dbe6d7e1bfe74d58bd278ff56b8445 [2019-11-20 00:54:38,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:54:38,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:54:38,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:54:38,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:54:38,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:54:38,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2019-11-20 00:54:38,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/data/2053b9f7d/9e57bac98eb7430eb567f6c86961f3f5/FLAG051879add [2019-11-20 00:54:38,851 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:54:38,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/sv-benchmarks/c/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2019-11-20 00:54:38,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/data/2053b9f7d/9e57bac98eb7430eb567f6c86961f3f5/FLAG051879add [2019-11-20 00:54:39,403 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c13ea0b6-e2bc-4671-9869-6d9809f069a9/bin/ukojak/data/2053b9f7d/9e57bac98eb7430eb567f6c86961f3f5 [2019-11-20 00:54:39,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:54:39,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:54:39,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:54:39,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:54:39,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:54:39,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:54:39" (1/1) ... [2019-11-20 00:54:39,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65519ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:54:39, skipping insertion in model container [2019-11-20 00:54:39,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:54:39" (1/1) ... [2019-11-20 00:54:39,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:54:39,564 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:54:43,127 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-20 00:54:43,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72b2e1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:54:43, skipping insertion in model container [2019-11-20 00:54:43,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:54:43,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-20 00:54:43,131 INFO L168 Benchmark]: Toolchain (without parser) took 3723.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:54:43,131 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:54:43,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3718.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:54:43,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3718.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 58.3 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...