./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_unlocked_ioctl_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_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:26,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:26,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:26,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:26,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:26,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:26,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:26,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:26,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:26,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:26,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:26,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:26,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:26,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:26,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:26,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:26,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:26,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:26,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:26,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:26,793 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:26,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:26,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:26,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:26,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:26,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:26,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:26,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:26,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:26,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:26,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:26,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:26,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:26,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:26,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:26,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:26,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:26,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:26,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:26,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:26,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:26,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:26,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:08:26,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:26,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:26,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:26,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:26,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:26,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:26,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:26,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:26,843 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:26,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:26,844 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:26,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:26,845 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:26,846 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:26,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:26,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:26,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:26,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:26,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:26,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:08:26,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:26,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:26,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:08:26,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:26,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:26,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:26,849 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:26,849 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:26,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 17:08:27,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:27,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:27,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:27,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:27,064 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:27,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 17:08:27,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ba86c58a5/bed4e2afd0f842138ec81e8067251f33/FLAG62f7a8368 [2022-04-18 17:08:27,745 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:27,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 17:08:27,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ba86c58a5/bed4e2afd0f842138ec81e8067251f33/FLAG62f7a8368 [2022-04-18 17:08:28,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ba86c58a5/bed4e2afd0f842138ec81e8067251f33 [2022-04-18 17:08:28,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:28,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:28,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:28,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:28,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:28,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:28" (1/1) ... [2022-04-18 17:08:28,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a70b3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:28, skipping insertion in model container [2022-04-18 17:08:28,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:28" (1/1) ... [2022-04-18 17:08:28,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:28,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:28,521 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_unlocked_ioctl_write_nvram.i[5469,5482] [2022-04-18 17:08:30,220 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:30,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d49f7c8 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 17:08:30,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:30,221 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:30,223 INFO L158 Benchmark]: Toolchain (without parser) took 2076.95ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 65.5MB in the beginning and 76.1MB in the end (delta: -10.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:30,224 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:30,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.55ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 65.2MB in the beginning and 76.1MB in the end (delta: -11.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-04-18 17:08:30,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.55ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 65.2MB in the beginning and 76.1MB in the end (delta: -11.0MB). Peak memory consumption was 37.8MB. 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 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_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:31,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:31,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:31,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:31,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:31,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:31,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:31,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:31,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:31,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:31,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:31,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:31,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:31,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:31,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:31,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:31,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:31,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:31,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:31,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:31,894 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:31,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:31,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:31,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:31,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:31,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:31,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:31,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:31,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:31,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:31,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:31,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:31,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:31,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:31,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:31,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:31,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:31,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:31,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:31,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:31,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:31,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:31,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:08:31,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:31,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:31,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:31,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:31,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:31,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:31,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:31,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:31,945 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:31,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:31,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:31,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:31,953 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:31,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:31,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:31,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:31,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:31,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:31,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:31,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:31,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:31,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:08:31,956 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:31,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:08:31,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:31,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:31,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:31,957 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:31,957 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:31,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:08:31,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 17:08:32,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:32,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:32,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:32,263 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:32,266 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:32,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 17:08:32,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b7e3a40f/f117640017804a27b465579beb2f40e6/FLAGa3c7d60da [2022-04-18 17:08:32,906 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:32,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 17:08:32,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b7e3a40f/f117640017804a27b465579beb2f40e6/FLAGa3c7d60da [2022-04-18 17:08:33,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b7e3a40f/f117640017804a27b465579beb2f40e6 [2022-04-18 17:08:33,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:33,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:33,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:33,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:33,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:33,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:33" (1/1) ... [2022-04-18 17:08:33,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7e4f88 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 17:08:33,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:33" (1/1) ... [2022-04-18 17:08:33,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:33,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:33,664 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_unlocked_ioctl_write_nvram.i[5469,5482] [2022-04-18 17:08:35,274 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:35,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@622f48b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:35, skipping insertion in model container [2022-04-18 17:08:35,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:35,276 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:35,278 INFO L158 Benchmark]: Toolchain (without parser) took 1987.28ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 24.2MB in the end (delta: 4.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-04-18 17:08:35,278 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:35,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1985.88ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.7MB in the beginning and 24.2MB in the end (delta: 4.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-04-18 17:08:35,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1985.88ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.7MB in the beginning and 24.2MB in the end (delta: 4.5MB). Peak memory consumption was 24.4MB. 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