./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_nvram_llseek_read_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_nvram_llseek_read_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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:40,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:40,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:40,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:40,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:40,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:40,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:40,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:40,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:40,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:40,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:40,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:40,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:40,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:40,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:40,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:40,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:40,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:40,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:40,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:40,880 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:40,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:40,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:40,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:40,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:40,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:40,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:40,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:40,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:40,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:40,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:40,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:40,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:40,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:40,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:40,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:40,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:40,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:40,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:40,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:40,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:40,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:40,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:02:40,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:40,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:40,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:40,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:40,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:40,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:40,918 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:40,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:40,918 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:40,919 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:02:40,919 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:40,919 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:40,919 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:02:40,920 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:02:40,920 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:40,920 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:02:40,921 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:02:40,921 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:02:40,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:40,922 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:40,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:40,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:02:40,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:40,923 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:40,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:40,924 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:40,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:40,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:40,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:40,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:40,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:40,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:40,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-04-18 19:02:41,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:41,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:41,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:41,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:41,113 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:41,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 19:02:41,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14c6d5ba1/80d8672e180047129b3c4e3f267429bb/FLAG6d0fc37f8 [2022-04-18 19:02:41,665 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:41,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 19:02:41,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14c6d5ba1/80d8672e180047129b3c4e3f267429bb/FLAG6d0fc37f8 [2022-04-18 19:02:42,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14c6d5ba1/80d8672e180047129b3c4e3f267429bb [2022-04-18 19:02:42,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:42,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:42,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:42,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:42,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:42,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:42" (1/1) ... [2022-04-18 19:02:42,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfc21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:42, skipping insertion in model container [2022-04-18 19:02:42,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:42" (1/1) ... [2022-04-18 19:02:42,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:42,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:42,500 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_nvram_llseek_read_nvram.i[5469,5482] [2022-04-18 19:02:44,286 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:44,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30ada33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:44, skipping insertion in model container [2022-04-18 19:02:44,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:44,287 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:44,289 INFO L158 Benchmark]: Toolchain (without parser) took 2084.21ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 65.5MB in the beginning and 74.5MB in the end (delta: -9.0MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-04-18 19:02:44,290 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:44,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2082.64ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 74.5MB in the end (delta: -9.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-04-18 19:02:44,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2082.64ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 74.5MB in the end (delta: -9.3MB). Peak memory consumption was 55.5MB. 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 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_nvram_llseek_read_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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:45,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:45,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:45,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:45,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:45,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:45,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:45,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:45,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:45,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:45,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:45,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:45,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:45,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:45,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:45,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:45,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:45,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:45,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:45,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:45,702 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:45,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:45,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:45,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:45,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:45,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:45,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:45,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:45,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:45,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:45,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:45,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:45,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:45,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:45,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:45,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:45,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:45,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:45,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:45,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:45,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:45,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:45,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 19:02:45,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:45,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:45,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:45,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:45,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:45,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:45,744 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:45,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:45,745 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:45,745 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:45,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:45,746 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:45,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:45,746 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:45,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:45,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:45,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:45,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:45,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:45,761 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:45,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:45,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:45,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 19:02:45,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:45,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:45,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:45,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:45,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:45,762 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 19:02:45,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 19:02:45,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:45,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:45,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:45,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-04-18 19:02:46,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:46,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:46,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:46,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:46,035 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:46,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 19:02:46,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c6e7f4e8a/98656b5dde5942b68d02749669ab7ee2/FLAGb9ea6777c [2022-04-18 19:02:46,660 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:46,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 19:02:46,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c6e7f4e8a/98656b5dde5942b68d02749669ab7ee2/FLAGb9ea6777c [2022-04-18 19:02:47,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c6e7f4e8a/98656b5dde5942b68d02749669ab7ee2 [2022-04-18 19:02:47,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:47,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:47,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:47,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:47,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:47,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:47" (1/1) ... [2022-04-18 19:02:47,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2222a3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:47, skipping insertion in model container [2022-04-18 19:02:47,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:47" (1/1) ... [2022-04-18 19:02:47,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:47,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:47,445 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_nvram_llseek_read_nvram.i[5469,5482] [2022-04-18 19:02:49,173 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:49,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55a89742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:49, skipping insertion in model container [2022-04-18 19:02:49,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:49,175 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:49,177 INFO L158 Benchmark]: Toolchain (without parser) took 2059.69ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 36.0MB in the beginning and 54.0MB in the end (delta: -18.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-04-18 19:02:49,177 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:49,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2056.66ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 54.0MB in the end (delta: -18.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-04-18 19:02:49,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2056.66ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 54.0MB in the end (delta: -18.3MB). Peak memory consumption was 35.0MB. 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