./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:03:02,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:03:02,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:03:02,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:03:02,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:03:02,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:03:02,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:03:02,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:03:02,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:03:02,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:03:02,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:03:02,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:03:02,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:03:02,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:03:02,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:03:02,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:03:02,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:03:02,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:03:02,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:03:02,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:03:02,279 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:03:02,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:03:02,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:03:02,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:03:02,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:03:02,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:03:02,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:03:02,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:03:02,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:03:02,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:03:02,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:03:02,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:03:02,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:03:02,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:03:02,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:03:02,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:03:02,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:03:02,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:03:02,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:03:02,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:03:02,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:03:02,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:03:02,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:03:02,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:03:02,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:03:02,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:03:02,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:03:02,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:03:02,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:03:02,324 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:03:02,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:03:02,324 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:03:02,325 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:03:02,325 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:03:02,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:03:02,325 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:03:02,326 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:03:02,326 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:03:02,326 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:03:02,327 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:03:02,327 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:03:02,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:03:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:03:02,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:03:02,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:03:02,329 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:03:02,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:03:02,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:03:02,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:03:02,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:03:02,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:03:02,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-04-18 19:03:02,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:03:02,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:03:02,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:03:02,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:03:02,537 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:03:02,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 19:03:02,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c4bfdb984/0e30e4645d7c43018656fbd8a8b82a42/FLAG9eca5f2e9 [2022-04-18 19:03:03,137 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:03:03,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 19:03:03,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c4bfdb984/0e30e4645d7c43018656fbd8a8b82a42/FLAG9eca5f2e9 [2022-04-18 19:03:03,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c4bfdb984/0e30e4645d7c43018656fbd8a8b82a42 [2022-04-18 19:03:03,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:03:03,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:03:03,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:03:03,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:03:03,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:03:03,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:03:03" (1/1) ... [2022-04-18 19:03:03,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e3e3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:03:03, skipping insertion in model container [2022-04-18 19:03:03,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:03:03" (1/1) ... [2022-04-18 19:03:03,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:03:03,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:03:03,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-04-18 19:03:06,365 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:03:06,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ec137c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:03:06, skipping insertion in model container [2022-04-18 19:03:06,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:03:06,366 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:03:06,368 INFO L158 Benchmark]: Toolchain (without parser) took 2794.61ms. Allocated memory is still 123.7MB. Free memory was 95.6MB in the beginning and 84.0MB in the end (delta: 11.7MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-04-18 19:03:06,368 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:03:06,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2793.01ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 84.0MB in the end (delta: 11.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-04-18 19:03:06,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2793.01ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 84.0MB in the end (delta: 11.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:03:07,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:03:07,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:03:07,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:03:07,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:03:07,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:03:07,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:03:07,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:03:07,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:03:07,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:03:07,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:03:07,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:03:07,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:03:07,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:03:07,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:03:07,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:03:07,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:03:07,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:03:07,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:03:07,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:03:07,761 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:03:07,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:03:07,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:03:07,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:03:07,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:03:07,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:03:07,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:03:07,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:03:07,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:03:07,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:03:07,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:03:07,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:03:07,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:03:07,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:03:07,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:03:07,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:03:07,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:03:07,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:03:07,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:03:07,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:03:07,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:03:07,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:03:07,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 19:03:07,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:03:07,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:03:07,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:03:07,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:03:07,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:03:07,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:03:07,805 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:03:07,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:03:07,805 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:03:07,805 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:03:07,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:03:07,813 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:03:07,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:03:07,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:03:07,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:03:07,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:03:07,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 19:03:07,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:03:07,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:03:07,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:03:07,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:03:07,817 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-04-18 19:03:08,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:03:08,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:03:08,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:03:08,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:03:08,076 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:03:08,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 19:03:08,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6ede4f1d/06e0b2e3c15b4148aa8060bd9dfe1f25/FLAGdb825b8ba [2022-04-18 19:03:08,755 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:03:08,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 19:03:08,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6ede4f1d/06e0b2e3c15b4148aa8060bd9dfe1f25/FLAGdb825b8ba [2022-04-18 19:03:09,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6ede4f1d/06e0b2e3c15b4148aa8060bd9dfe1f25 [2022-04-18 19:03:09,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:03:09,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:03:09,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:03:09,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:03:09,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:03:09,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:03:09" (1/1) ... [2022-04-18 19:03:09,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa60e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:03:09, skipping insertion in model container [2022-04-18 19:03:09,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:03:09" (1/1) ... [2022-04-18 19:03:09,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:03:09,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:03:09,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-04-18 19:03:11,076 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:03:11,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57865d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:03:11, skipping insertion in model container [2022-04-18 19:03:11,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:03:11,077 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:03:11,079 INFO L158 Benchmark]: Toolchain (without parser) took 1919.93ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 33.6MB in the beginning and 35.6MB in the end (delta: -2.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-04-18 19:03:11,080 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:03:11,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1917.26ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 35.6MB in the end (delta: -2.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-04-18 19:03:11,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1917.26ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 35.6MB in the end (delta: -2.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN