./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/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_read_nvram_write_nvram.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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:39,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:39,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:39,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:39,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:39,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:39,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:39,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:39,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:39,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:39,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:39,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:39,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:39,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:39,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:39,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:39,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:39,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:39,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:39,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:39,613 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:39,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:39,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:39,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:39,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:39,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:39,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:39,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:39,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:39,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:39,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:39,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:39,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:39,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:39,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:39,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:39,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:39,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:39,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:39,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:39,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:39,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:39,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:08:39,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:39,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:39,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:39,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:39,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:39,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:39,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:39,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:39,650 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:39,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:39,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:39,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:39,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:08:39,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:39,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:39,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:39,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:39,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:39,652 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:39,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:39,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:39,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:39,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:39,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:39,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:39,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:08:39,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:39,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:39,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:39,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:39,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:39,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:39,662 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:39,662 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:39,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-04-18 17:08:39,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:39,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:39,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:39,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:39,891 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:39,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 17:08:39,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/25a4f6c9d/dcb427496c374104a6fadb9c4a01b4c2/FLAG5eb89862e [2022-04-18 17:08:40,590 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:40,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 17:08:40,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/25a4f6c9d/dcb427496c374104a6fadb9c4a01b4c2/FLAG5eb89862e [2022-04-18 17:08:40,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/25a4f6c9d/dcb427496c374104a6fadb9c4a01b4c2 [2022-04-18 17:08:40,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:40,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:40,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:40,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:40,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:40,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:40" (1/1) ... [2022-04-18 17:08:40,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca8ee44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:40, skipping insertion in model container [2022-04-18 17:08:40,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:40" (1/1) ... [2022-04-18 17:08:40,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:40,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:41,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-04-18 17:08:44,124 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:44,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ace2302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:44, skipping insertion in model container [2022-04-18 17:08:44,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:44,125 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:44,127 INFO L158 Benchmark]: Toolchain (without parser) took 3396.30ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.0MB in the beginning and 79.6MB in the end (delta: -17.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:44,128 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:44,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3394.91ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.8MB in the beginning and 79.6MB in the end (delta: -17.8MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:44,130 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 96.5MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3394.91ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.8MB in the beginning and 79.6MB in the end (delta: -17.8MB). Peak memory consumption was 43.1MB. 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_read_nvram_write_nvram.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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:45,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:45,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:45,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:45,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:45,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:45,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:45,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:45,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:45,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:45,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:45,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:45,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:45,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:45,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:45,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:45,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:45,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:45,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:45,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:45,898 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:45,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:45,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:45,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:45,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:45,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:45,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:45,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:45,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:45,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:45,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:45,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:45,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:45,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:45,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:45,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:45,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:45,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:45,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:45,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:45,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:45,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:45,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:08:45,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:45,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:45,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:45,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:45,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:45,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:45,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:45,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:45,945 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:45,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:45,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:45,945 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:45,946 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:45,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:45,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:45,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:45,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:45,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:45,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:08:45,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:45,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:45,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:45,950 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:45,950 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:45,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:08:45,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-04-18 17:08:46,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:46,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:46,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:46,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:46,314 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:46,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 17:08:46,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0213c26f8/ce48161713d44e12aa5ea09294edf4c5/FLAG869f3b128 [2022-04-18 17:08:47,079 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:47,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-04-18 17:08:47,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0213c26f8/ce48161713d44e12aa5ea09294edf4c5/FLAG869f3b128 [2022-04-18 17:08:47,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0213c26f8/ce48161713d44e12aa5ea09294edf4c5 [2022-04-18 17:08:47,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:47,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:47,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:47,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:47,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:47,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:47" (1/1) ... [2022-04-18 17:08:47,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6e9b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:47, skipping insertion in model container [2022-04-18 17:08:47,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:47" (1/1) ... [2022-04-18 17:08:47,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:47,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:47,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-04-18 17:08:50,035 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:50,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a5b9794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:50, skipping insertion in model container [2022-04-18 17:08:50,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:50,036 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:50,038 INFO L158 Benchmark]: Toolchain (without parser) took 2621.51ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.3MB in the beginning and 42.0MB in the end (delta: -7.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:50,038 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:50,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2618.47ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.1MB in the beginning and 42.0MB in the end (delta: -7.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:50,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2618.47ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.1MB in the beginning and 42.0MB in the end (delta: -7.9MB). Peak memory consumption was 22.1MB. 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