./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_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_nvram_llseek_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:50,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:50,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:50,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:50,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:50,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:50,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:50,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:50,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:50,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:50,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:50,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:50,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:50,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:50,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:50,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:50,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:50,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:50,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:50,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:50,438 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:50,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:50,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:50,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:50,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:50,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:50,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:50,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:50,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:50,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:50,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:50,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:50,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:50,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:50,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:50,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:50,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:50,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:50,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:50,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:50,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:50,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:50,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:02:50,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:50,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:50,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:50,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:50,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:50,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:50,500 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:50,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:50,500 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:50,501 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:02:50,501 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:50,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:50,502 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:02:50,502 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:02:50,502 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:50,502 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:02:50,503 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:02:50,503 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:02:50,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:50,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:50,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:50,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:02:50,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:50,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:50,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:50,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:50,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:50,506 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:50,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:50,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:50,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:50,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:50,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:50,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:50,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:50,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:50,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:50,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:50,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:02:50,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:02:50,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:50,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:50,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:50,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-04-18 19:02:50,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:50,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:50,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:50,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:50,770 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:50,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 19:02:50,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b32115ce0/1608712e4c394cbab293c3b0d5ff2eab/FLAG4c74c5e23 [2022-04-18 19:02:51,542 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:51,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 19:02:51,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b32115ce0/1608712e4c394cbab293c3b0d5ff2eab/FLAG4c74c5e23 [2022-04-18 19:02:51,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b32115ce0/1608712e4c394cbab293c3b0d5ff2eab [2022-04-18 19:02:51,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:51,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:51,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:51,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:51,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:51,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:51" (1/1) ... [2022-04-18 19:02:51,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10207805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:51, skipping insertion in model container [2022-04-18 19:02:51,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:51" (1/1) ... [2022-04-18 19:02:51,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:51,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:52,236 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_write_nvram.i[5469,5482] [2022-04-18 19:02:54,023 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:54,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73142dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:54, skipping insertion in model container [2022-04-18 19:02:54,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:54,025 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:54,026 INFO L158 Benchmark]: Toolchain (without parser) took 2217.86ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 69.0MB in the end (delta: -14.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-04-18 19:02:54,027 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:54,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2216.15ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 69.0MB in the end (delta: -14.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-04-18 19:02:54,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2216.15ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 69.0MB in the end (delta: -14.8MB). Peak memory consumption was 28.9MB. 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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:55,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:55,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:55,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:55,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:55,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:55,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:55,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:55,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:55,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:55,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:55,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:55,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:55,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:55,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:55,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:55,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:55,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:55,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:55,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:55,669 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:55,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:55,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:55,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:55,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:55,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:55,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:55,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:55,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:55,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:55,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:55,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:55,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:55,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:55,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:55,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:55,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:55,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:55,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:55,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:55,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:55,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:55,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 19:02:55,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:55,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:55,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:55,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:55,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:55,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:55,719 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:55,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:55,720 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:55,720 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:55,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:55,720 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:55,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:55,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:55,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:55,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:55,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:55,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 19:02:55,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:55,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:55,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:55,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:55,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-04-18 19:02:56,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:56,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:56,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:56,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:56,031 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:56,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 19:02:56,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87035ab9a/e494745b16464ca484d4eb307a53b135/FLAG02cf403c4 [2022-04-18 19:02:56,794 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:56,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 19:02:56,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87035ab9a/e494745b16464ca484d4eb307a53b135/FLAG02cf403c4 [2022-04-18 19:02:57,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87035ab9a/e494745b16464ca484d4eb307a53b135 [2022-04-18 19:02:57,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:57,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:57,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:57,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:57,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:57,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:57" (1/1) ... [2022-04-18 19:02:57,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be4ec0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:57, skipping insertion in model container [2022-04-18 19:02:57,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:57" (1/1) ... [2022-04-18 19:02:57,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:57,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:57,585 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_write_nvram.i[5469,5482] [2022-04-18 19:02:59,484 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:59,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@474461a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:59, skipping insertion in model container [2022-04-18 19:02:59,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:59,485 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:59,487 INFO L158 Benchmark]: Toolchain (without parser) took 2379.31ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 33.3MB in the beginning and 37.3MB in the end (delta: -4.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-04-18 19:02:59,488 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:59,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2376.42ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 37.3MB in the end (delta: -4.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-04-18 19:02:59,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2376.42ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 37.3MB in the end (delta: -4.3MB). Peak memory consumption was 21.8MB. 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