./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:28:24,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:28:24,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:28:24,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:28:24,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:28:24,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:28:24,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:28:24,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:28:24,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:28:24,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:28:24,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:28:24,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:28:24,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:28:24,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:28:24,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:28:24,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:28:24,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:28:24,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:28:24,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:28:24,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:28:24,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:28:24,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:28:24,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:28:24,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:28:24,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:28:24,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:28:24,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:28:24,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:28:24,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:28:24,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:28:24,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:28:24,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:28:24,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:28:24,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:28:24,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:28:24,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:28:24,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:28:24,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:28:24,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:28:24,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:28:24,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:28:24,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:28:24,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:28:24,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:28:24,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:28:24,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:28:24,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:28:24,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:28:24,891 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:28:24,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:28:24,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:28:24,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:28:24,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:28:24,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:28:24,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:28:24,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:28:24,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:28:24,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:28:24,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:28:24,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:28:24,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:28:24,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:28:24,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:28:24,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:28:24,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:28:24,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:28:24,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:28:24,902 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-08-29 22:28:25,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:28:25,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:28:25,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:28:25,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:28:25,180 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:28:25,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-08-29 22:28:25,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca31c634/e9d8ff623db54a81a1b03563da17f4dd/FLAG4c2614c27 [2021-08-29 22:28:25,816 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:28:25,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-08-29 22:28:25,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca31c634/e9d8ff623db54a81a1b03563da17f4dd/FLAG4c2614c27 [2021-08-29 22:28:26,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca31c634/e9d8ff623db54a81a1b03563da17f4dd [2021-08-29 22:28:26,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:28:26,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:28:26,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:28:26,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:28:26,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:28:26,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:28:26" (1/1) ... [2021-08-29 22:28:26,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bd451d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:28:26, skipping insertion in model container [2021-08-29 22:28:26,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:28:26" (1/1) ... [2021-08-29 22:28:26,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:28:26,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:28:26,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-08-29 22:28:28,158 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-29 22:28:28,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@243d83f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:28:28, skipping insertion in model container [2021-08-29 22:28:28,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:28:28,160 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-29 22:28:28,162 INFO L158 Benchmark]: Toolchain (without parser) took 1903.23ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.9MB in the beginning and 37.8MB in the end (delta: -5.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-08-29 22:28:28,163 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:28:28,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1900.69ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 37.8MB in the end (delta: -6.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-08-29 22:28:28,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1900.69ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 37.8MB in the end (delta: -6.0MB). Peak memory consumption was 19.4MB. 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... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:28:29,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:28:29,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:28:29,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:28:29,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:28:29,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:28:29,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:28:29,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:28:29,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:28:29,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:28:29,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:28:29,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:28:29,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:28:29,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:28:29,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:28:29,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:28:29,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:28:29,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:28:29,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:28:29,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:28:29,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:28:29,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:28:29,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:28:29,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:28:29,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:28:29,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:28:29,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:28:29,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:28:29,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:28:29,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:28:29,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:28:29,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:28:29,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:28:29,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:28:29,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:28:29,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:28:29,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:28:29,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:28:29,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:28:29,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:28:29,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:28:29,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 22:28:29,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:28:29,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:28:29,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:28:29,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:28:29,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:28:29,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:28:29,616 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:28:29,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:28:29,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:28:29,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:28:29,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:28:29,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:28:29,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:28:29,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:28:29,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:28:29,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:28:29,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:28:29,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:28:29,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:28:29,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:28:29,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 22:28:29,621 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-08-29 22:28:29,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:28:29,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:28:29,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:28:29,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:28:29,854 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:28:29,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-08-29 22:28:29,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cecb4c18/4573bf3cdef44ca49649da1480842ff4/FLAG6a96c01c7 [2021-08-29 22:28:30,533 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:28:30,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-08-29 22:28:30,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cecb4c18/4573bf3cdef44ca49649da1480842ff4/FLAG6a96c01c7 [2021-08-29 22:28:30,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cecb4c18/4573bf3cdef44ca49649da1480842ff4 [2021-08-29 22:28:30,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:28:30,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:28:30,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:28:30,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:28:30,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:28:30,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:28:30" (1/1) ... [2021-08-29 22:28:30,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b825abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:28:30, skipping insertion in model container [2021-08-29 22:28:30,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:28:30" (1/1) ... [2021-08-29 22:28:30,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:28:30,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:28:31,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-08-29 22:28:33,265 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-29 22:28:33,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@402fab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:28:33, skipping insertion in model container [2021-08-29 22:28:33,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:28:33,266 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-29 22:28:33,268 INFO L158 Benchmark]: Toolchain (without parser) took 2540.94ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 21.6MB in the beginning and 45.3MB in the end (delta: -23.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-08-29 22:28:33,270 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:28:33,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2539.01ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 21.5MB in the beginning and 45.3MB in the end (delta: -23.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-08-29 22:28:33,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2539.01ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 21.5MB in the beginning and 45.3MB in the end (delta: -23.8MB). Peak memory consumption was 17.3MB. 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...