./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_nvram_unlocked_ioctl.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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:12,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:12,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:12,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:12,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:12,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:12,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:12,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:12,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:12,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:12,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:12,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:12,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:12,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:12,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:12,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:12,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:12,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:12,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:12,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:12,617 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:12,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:12,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:12,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:12,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:12,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:12,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:12,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:12,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:12,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:12,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:12,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:12,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:12,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:12,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:12,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:12,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:12,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:12,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:12,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:12,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:12,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:12,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:08:12,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:12,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:12,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:12,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:12,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:12,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:12,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:12,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:12,662 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:12,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:12,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:12,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:12,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:08:12,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:12,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:12,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:12,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:12,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:12,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:12,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:12,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:08:12,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:12,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:12,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:12,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:12,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:12,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:08:12,667 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:12,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:08:12,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:12,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:12,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:12,668 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:12,668 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:12,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-04-18 17:08:12,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:12,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:12,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:12,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:12,889 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:12,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 17:08:12,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c87acc243/1db20efe83854b10925755c2ec453a0b/FLAG6c27f023f [2022-04-18 17:08:13,637 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:13,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 17:08:13,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c87acc243/1db20efe83854b10925755c2ec453a0b/FLAG6c27f023f [2022-04-18 17:08:13,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c87acc243/1db20efe83854b10925755c2ec453a0b [2022-04-18 17:08:13,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:13,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:13,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:13,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:13,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:13,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:13" (1/1) ... [2022-04-18 17:08:13,980 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 05:08:13, skipping insertion in model container [2022-04-18 17:08:13,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:13" (1/1) ... [2022-04-18 17:08:13,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:14,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:14,437 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_nvram_unlocked_ioctl.i[5469,5482] [2022-04-18 17:08:16,493 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:16,494 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 05:08:16, skipping insertion in model container [2022-04-18 17:08:16,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:16,495 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:16,497 INFO L158 Benchmark]: Toolchain (without parser) took 2526.13ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 72.2MB in the end (delta: -5.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-04-18 17:08:16,498 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 94.7MB in the end (delta: 87.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:16,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2524.04ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 72.2MB in the end (delta: -5.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-04-18 17:08:16,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 94.7MB in the end (delta: 87.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2524.04ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 72.2MB in the end (delta: -5.1MB). Peak memory consumption was 17.7MB. 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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:18,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:18,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:18,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:18,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:18,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:18,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:18,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:18,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:18,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:18,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:18,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:18,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:18,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:18,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:18,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:18,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:18,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:18,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:18,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:18,263 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:18,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:18,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:18,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:18,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:18,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:18,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:18,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:18,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:18,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:18,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:18,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:18,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:18,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:18,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:18,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:18,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:18,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:18,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:18,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:18,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:18,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:18,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:08:18,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:18,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:18,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:18,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:18,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:18,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:18,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:18,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:18,322 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:18,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:18,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:18,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:18,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:18,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:18,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:18,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:18,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:18,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:18,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:18,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:18,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:18,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:18,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:18,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:18,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:18,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:18,327 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:08:18,328 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:18,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:08:18,328 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:18,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:18,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:18,329 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:18,329 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:18,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:08:18,329 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-04-18 17:08:18,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:18,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:18,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:18,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:18,668 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:18,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 17:08:18,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af0b8b0eb/d8c74b3859314432bf267df9b2bbf2a8/FLAG95c6ae150 [2022-04-18 17:08:19,492 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:19,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 17:08:19,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af0b8b0eb/d8c74b3859314432bf267df9b2bbf2a8/FLAG95c6ae150 [2022-04-18 17:08:20,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af0b8b0eb/d8c74b3859314432bf267df9b2bbf2a8 [2022-04-18 17:08:20,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:20,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:20,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:20,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:20,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:20,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:20" (1/1) ... [2022-04-18 17:08:20,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2247150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:20, skipping insertion in model container [2022-04-18 17:08:20,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:20" (1/1) ... [2022-04-18 17:08:20,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:20,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:20,457 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_nvram_unlocked_ioctl.i[5469,5482] [2022-04-18 17:08:22,965 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:22,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@410cb642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:22, skipping insertion in model container [2022-04-18 17:08:22,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:22,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:22,969 INFO L158 Benchmark]: Toolchain (without parser) took 2920.30ms. Allocated memory was 48.2MB in the beginning and 71.3MB in the end (delta: 23.1MB). Free memory was 21.8MB in the beginning and 34.9MB in the end (delta: -13.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:22,970 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.6MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:22,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2918.49ms. Allocated memory was 48.2MB in the beginning and 71.3MB in the end (delta: 23.1MB). Free memory was 21.5MB in the beginning and 34.9MB in the end (delta: -13.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:22,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.6MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2918.49ms. Allocated memory was 48.2MB in the beginning and 71.3MB in the end (delta: 23.1MB). Free memory was 21.5MB in the beginning and 34.9MB in the end (delta: -13.4MB). Peak memory consumption was 18.8MB. 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