./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_read_nvram_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 bc81abaa778adea7431183b2fd072f16b613c8e2 .......................................................................................................................... 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_read_nvram_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 bc81abaa778adea7431183b2fd072f16b613c8e2 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:05:17,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:17,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:17,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:17,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:17,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:17,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:17,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:17,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:17,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:17,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:17,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:17,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:17,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:17,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:17,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:17,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:17,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:17,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:17,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:17,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:17,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:17,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:17,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:17,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:17,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:17,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:17,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:17,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:17,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:17,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:17,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:17,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:17,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:17,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:17,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:17,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:17,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:17,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:17,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:17,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:17,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:17,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:17,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:17,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:17,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:17,835 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:17,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:17,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:17,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:17,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:17,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:17,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:17,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:17,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:17,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:17,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:17,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:17,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:17,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:17,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:17,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:17,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:17,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:17,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:17,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:17,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:17,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:17,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:17,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:17,844 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-28 01:05:18,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:18,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:18,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:18,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:18,189 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:18,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-28 01:05:18,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccead0686/d25dfa08c9fc48fd9fb639d3f3d9cfb6/FLAGf45379a5b [2019-11-28 01:05:19,125 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:19,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-28 01:05:19,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccead0686/d25dfa08c9fc48fd9fb639d3f3d9cfb6/FLAGf45379a5b [2019-11-28 01:05:19,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccead0686/d25dfa08c9fc48fd9fb639d3f3d9cfb6 [2019-11-28 01:05:19,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:19,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:19,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:19,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:19,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:19,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:19" (1/1) ... [2019-11-28 01:05:19,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:19, skipping insertion in model container [2019-11-28 01:05:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:19" (1/1) ... [2019-11-28 01:05:19,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:19,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:23,271 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 01:05:23,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2eb1aad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:23, skipping insertion in model container [2019-11-28 01:05:23,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:23,272 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 01:05:23,276 INFO L168 Benchmark]: Toolchain (without parser) took 3667.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:23,276 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:23,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3663.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:23,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3663.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 55.0 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 0.1.24-30f4e4a [2019-11-28 01:05:25,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:25,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:25,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:25,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:25,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:25,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:25,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:25,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:25,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:25,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:25,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:25,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:25,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:25,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:25,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:25,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:25,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:25,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:25,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:25,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:25,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:25,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:25,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:25,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:25,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:25,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:25,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:25,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:25,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:25,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:25,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:25,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:25,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:25,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:25,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:25,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:25,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:25,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:25,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:25,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:25,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:25,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:25,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:25,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:25,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:25,220 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:25,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:25,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:25,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:25,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:25,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:25,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:25,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:25,223 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:25,223 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:25,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:25,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:25,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:25,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:25,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:25,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:25,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:25,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:25,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:25,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:25,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:25,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:25,226 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:25,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:25,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:25,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:25,227 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-28 01:05:25,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:25,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:25,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:25,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:25,550 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:25,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-28 01:05:25,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da806899e/fb7b33e6f43845d0bcdee174c65a4cba/FLAG870da5d23 [2019-11-28 01:05:26,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:26,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-28 01:05:26,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da806899e/fb7b33e6f43845d0bcdee174c65a4cba/FLAG870da5d23 [2019-11-28 01:05:26,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da806899e/fb7b33e6f43845d0bcdee174c65a4cba [2019-11-28 01:05:26,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:26,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:26,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:26,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:26,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:26,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:26" (1/1) ... [2019-11-28 01:05:26,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1cc942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:26, skipping insertion in model container [2019-11-28 01:05:26,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:26" (1/1) ... [2019-11-28 01:05:26,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:27,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:30,540 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 01:05:30,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23109769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:30, skipping insertion in model container [2019-11-28 01:05:30,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:30,542 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 01:05:30,546 INFO L168 Benchmark]: Toolchain (without parser) took 3588.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,547 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:30,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3584.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3584.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 54.0 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...