./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/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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:25,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:25,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:25,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:25,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:25,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:25,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:25,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:25,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:25,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:25,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:25,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:25,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:25,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:25,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:25,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:25,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:25,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:25,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:25,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:25,991 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:25,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:25,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:25,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:25,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:26,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:26,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:26,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:26,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:26,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:26,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:26,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:26,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:26,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:26,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:26,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:26,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:26,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:26,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:26,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:26,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:26,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:26,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:08:26,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:26,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:26,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:26,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:26,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:26,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:26,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:26,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:26,035 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:26,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:26,035 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:26,036 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:26,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:08:26,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:26,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:26,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:26,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:26,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:26,037 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:26,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:26,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:26,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:26,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:26,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:26,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:26,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:08:26,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:26,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:26,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:26,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:26,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:26,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:08:26,040 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:26,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:08:26,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:26,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:26,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:26,041 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:26,041 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:26,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-04-18 17:08:26,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:26,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:26,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:26,279 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:26,279 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:26,281 INFO L432 ainManager$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 17:08:26,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5104c9c9f/ed924a5bb1e447e8bd7845a3ee40b6b1/FLAG5fda63b4c [2022-04-18 17:08:27,003 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:27,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 17:08:27,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5104c9c9f/ed924a5bb1e447e8bd7845a3ee40b6b1/FLAG5fda63b4c [2022-04-18 17:08:27,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5104c9c9f/ed924a5bb1e447e8bd7845a3ee40b6b1 [2022-04-18 17:08:27,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:27,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:27,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:27,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:27,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:27,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:27" (1/1) ... [2022-04-18 17:08:27,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2125e62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:27, skipping insertion in model container [2022-04-18 17:08:27,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:27" (1/1) ... [2022-04-18 17:08:27,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:27,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:27,793 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 17:08:30,991 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:30,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cd7ade6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:30, skipping insertion in model container [2022-04-18 17:08:30,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:30,992 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:30,994 INFO L158 Benchmark]: Toolchain (without parser) took 3629.39ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 59.5MB in the end (delta: -10.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-04-18 17:08:30,996 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:30,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3625.93ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 59.5MB in the end (delta: -10.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-04-18 17:08:30,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3625.93ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 59.5MB in the end (delta: -10.6MB). Peak memory consumption was 18.2MB. 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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:32,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:32,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:32,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:32,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:32,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:32,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:32,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:32,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:32,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:32,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:32,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:32,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:32,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:32,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:32,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:32,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:32,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:32,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:32,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:32,726 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:32,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:32,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:32,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:32,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:32,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:32,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:32,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:32,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:32,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:32,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:32,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:32,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:32,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:32,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:32,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:32,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:32,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:32,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:32,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:32,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:32,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:32,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:08:32,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:32,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:32,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:32,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:32,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:32,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:32,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:32,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:32,779 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:32,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:32,780 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:32,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:32,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:32,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:32,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:32,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:32,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:32,787 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:32,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:08:32,787 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:08:32,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:32,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:32,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:32,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:32,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:32,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:32,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:32,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:32,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:32,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:32,790 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:08:32,790 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:32,790 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:08:32,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:32,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:32,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:32,791 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:32,791 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:32,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:08:32,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-04-18 17:08:33,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:33,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:33,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:33,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:33,108 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:33,109 INFO L432 ainManager$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 17:08:33,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d87628234/a5fa9a676c034d938af92263f6eb9f64/FLAG025d73dee [2022-04-18 17:08:33,834 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:33,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-04-18 17:08:33,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d87628234/a5fa9a676c034d938af92263f6eb9f64/FLAG025d73dee [2022-04-18 17:08:33,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d87628234/a5fa9a676c034d938af92263f6eb9f64 [2022-04-18 17:08:33,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:33,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:33,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:33,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:33,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:33,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:33" (1/1) ... [2022-04-18 17:08:33,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be1531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:33, skipping insertion in model container [2022-04-18 17:08:33,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:33" (1/1) ... [2022-04-18 17:08:33,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:34,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:34,422 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 17:08:36,637 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:36,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@115c6aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:36, skipping insertion in model container [2022-04-18 17:08:36,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:36,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:36,641 INFO L158 Benchmark]: Toolchain (without parser) took 2676.94ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.6MB in the beginning and 46.8MB in the end (delta: -11.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:36,642 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:36,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2672.93ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.4MB in the beginning and 46.8MB in the end (delta: -11.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:36,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2672.93ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.4MB in the beginning and 46.8MB in the end (delta: -11.4MB). Peak memory consumption was 29.8MB. 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