./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc81abaa778adea7431183b2fd072f16b613c8e2 ....................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 20:45:42,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:45:42,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:45:42,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:45:42,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:45:42,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:45:42,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:45:42,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:45:42,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:45:42,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:45:42,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:45:42,628 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:45:42,629 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:45:42,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:45:42,633 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:45:42,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:45:42,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:45:42,639 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:45:42,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:45:42,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:45:42,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:45:42,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:45:42,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:45:42,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:45:42,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:45:42,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:45:42,662 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:45:42,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:45:42,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:45:42,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:45:42,666 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:45:42,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:45:42,667 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:45:42,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:45:42,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:45:42,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:45:42,671 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:45:42,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:45:42,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:45:42,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:45:42,699 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:45:42,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:45:42,703 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:45:42,703 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:45:42,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:45:42,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:45:42,705 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:45:42,705 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:45:42,705 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:45:42,705 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:45:42,706 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:45:42,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:45:42,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:45:42,706 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:45:42,706 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:45:42,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:45:42,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:45:42,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:45:42,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:45:42,707 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:45:42,707 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:45:42,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:45:42,709 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2018-11-28 20:45:42,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:45:42,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:45:42,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:45:42,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:45:42,787 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:45:42,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram_false-unreach-call.i [2018-11-28 20:45:42,851 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e6848a9/261402a7c27d48f9b780e2c46ad437a5/FLAG95e740908 [2018-11-28 20:45:43,714 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:45:43,716 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram_false-unreach-call.i [2018-11-28 20:45:43,773 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e6848a9/261402a7c27d48f9b780e2c46ad437a5/FLAG95e740908 [2018-11-28 20:45:44,167 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e6848a9/261402a7c27d48f9b780e2c46ad437a5 [2018-11-28 20:45:44,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:45:44,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:45:44,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:45:44,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:45:44,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:45:44,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:45:44" (1/1) ... [2018-11-28 20:45:44,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6664ee2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:44, skipping insertion in model container [2018-11-28 20:45:44,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:45:44" (1/1) ... [2018-11-28 20:45:44,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:45:44,349 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:45:47,943 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2018-11-28 20:45:47,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e751ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:47, skipping insertion in model container [2018-11-28 20:45:47,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:45:47,945 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-28 20:45:47,946 INFO L168 Benchmark]: Toolchain (without parser) took 3773.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:47,950 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:45:47,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3769.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:47,954 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3769.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 72.2 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...