./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2276ba819c5339d007f04a49c2d94e84e9fedd5 ........................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2276ba819c5339d007f04a49c2d94e84e9fedd5 ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:36:03,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:36:03,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:36:03,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:36:03,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:36:03,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:36:03,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:36:03,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:36:03,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:36:03,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:36:03,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:36:03,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:36:03,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:36:03,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:36:03,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:36:03,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:36:03,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:36:03,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:36:03,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:36:03,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:36:03,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:36:03,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:36:03,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:36:03,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:36:03,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:36:03,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:36:03,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:36:03,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:36:03,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:36:03,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:36:03,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:36:03,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:36:03,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:36:03,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:36:03,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:36:03,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:36:03,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:36:03,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:36:03,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:36:03,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:36:03,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:36:03,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:36:03,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:36:03,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:36:03,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:36:03,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:36:03,794 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:36:03,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:36:03,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:36:03,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:36:03,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:36:03,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:36:03,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:36:03,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:36:03,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:36:03,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:36:03,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:36:03,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:36:03,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:36:03,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:36:03,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:36:03,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:36:03,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:36:03,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:36:03,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:36:03,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:36:03,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:36:03,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:36:03,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:36:03,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:36:03,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:36:03,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> c2276ba819c5339d007f04a49c2d94e84e9fedd5 [2019-11-28 18:36:04,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:36:04,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:36:04,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:36:04,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:36:04,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:36:04,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-28 18:36:04,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0924af7b5/751665a717c4417fadd7b5198e05f8d3/FLAG33e3a7a57 [2019-11-28 18:36:05,075 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:36:05,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-28 18:36:05,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0924af7b5/751665a717c4417fadd7b5198e05f8d3/FLAG33e3a7a57 [2019-11-28 18:36:05,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0924af7b5/751665a717c4417fadd7b5198e05f8d3 [2019-11-28 18:36:05,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:36:05,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:36:05,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:05,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:36:05,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:36:05,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:05" (1/1) ... [2019-11-28 18:36:05,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:05, skipping insertion in model container [2019-11-28 18:36:05,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:05" (1/1) ... [2019-11-28 18:36:05,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:36:05,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:36:09,071 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 18:36:09,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4aff1e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:09, skipping insertion in model container [2019-11-28 18:36:09,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:09,072 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 18:36:09,075 INFO L168 Benchmark]: Toolchain (without parser) took 3511.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -101.6 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:09,075 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:09,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3506.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -101.6 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:09,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3506.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -101.6 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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 0.1.25-f470102 [2019-11-28 18:36:10,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:36:10,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:36:10,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:36:10,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:36:10,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:36:10,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:36:10,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:36:10,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:36:10,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:36:10,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:36:10,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:36:10,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:36:10,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:36:10,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:36:10,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:36:10,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:36:10,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:36:10,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:36:10,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:36:10,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:36:10,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:36:10,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:36:10,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:36:10,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:36:10,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:36:10,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:36:10,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:36:10,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:36:10,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:36:10,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:36:10,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:36:10,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:36:10,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:36:10,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:36:10,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:36:10,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:36:10,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:36:10,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:36:10,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:36:10,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:36:10,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 18:36:10,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:36:10,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:36:10,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:36:10,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:36:10,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:36:10,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:36:10,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:36:10,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:36:10,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:36:10,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:36:10,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:36:10,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:36:10,866 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 18:36:10,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 18:36:10,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:36:10,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:36:10,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:36:10,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:36:10,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:36:10,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:36:10,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:36:10,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:36:10,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:36:10,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:36:10,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:36:10,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:36:10,870 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 18:36:10,871 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 18:36:10,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:36:10,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:36:10,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 18:36:10,872 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> c2276ba819c5339d007f04a49c2d94e84e9fedd5 [2019-11-28 18:36:11,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:36:11,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:36:11,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:36:11,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:36:11,186 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:36:11,187 INFO L428 ainManager$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 [2019-11-28 18:36:11,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34e90622/41bcaf54c98d42a3bac2fca1ed6b711c/FLAG419a65328 [2019-11-28 18:36:12,052 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:36:12,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-28 18:36:12,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34e90622/41bcaf54c98d42a3bac2fca1ed6b711c/FLAG419a65328 [2019-11-28 18:36:12,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34e90622/41bcaf54c98d42a3bac2fca1ed6b711c [2019-11-28 18:36:12,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:36:12,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:36:12,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:12,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:36:12,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:36:12,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:12" (1/1) ... [2019-11-28 18:36:12,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6fa4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:12, skipping insertion in model container [2019-11-28 18:36:12,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:12" (1/1) ... [2019-11-28 18:36:12,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:36:12,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:36:16,872 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 18:36:16,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68439687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:16, skipping insertion in model container [2019-11-28 18:36:16,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:16,874 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 18:36:16,877 INFO L168 Benchmark]: Toolchain (without parser) took 4309.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:16,877 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:16,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4307.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:16,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4307.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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...