./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae47ea464d7b3654b12768aa5faafe9c13473b69 ......................................................................................................................... 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae47ea464d7b3654b12768aa5faafe9c13473b69 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:59,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:59,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:59,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:59,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:59,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:59,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:59,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:59,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:59,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:59,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:59,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:59,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:59,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:59,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:59,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:59,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:59,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:59,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:59,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:59,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:59,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:59,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:59,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:59,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:59,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:59,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:59,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:59,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:59,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:59,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:59,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:59,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:59,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:59,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:59,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:59,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:59,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:59,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:59,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:59,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:59,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:59,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:59,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:59,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:59,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:59,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:59,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:59,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:59,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:59,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:59,822 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:59,822 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:59,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:59,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:59,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:59,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:59,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:59,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:59,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:59,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:59,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:59,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:59,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:59,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:59,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:59,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:59,826 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-10-20 06:21:00,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:00,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:00,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:00,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:00,077 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:00,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-20 06:21:00,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7e32137/39228874ae70461caa7f3fc9de1c2496/FLAGb6ccd84cd [2020-10-20 06:21:00,863 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:00,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-20 06:21:00,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7e32137/39228874ae70461caa7f3fc9de1c2496/FLAGb6ccd84cd [2020-10-20 06:21:01,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7e32137/39228874ae70461caa7f3fc9de1c2496 [2020-10-20 06:21:01,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:01,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:01,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:01,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:01,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:01,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:01" (1/1) ... [2020-10-20 06:21:01,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3ddec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:01, skipping insertion in model container [2020-10-20 06:21:01,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:01" (1/1) ... [2020-10-20 06:21:01,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:01,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:02,162 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:21:02,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@732328e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:02, skipping insertion in model container [2020-10-20 06:21:02,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:02,170 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:02,174 INFO L168 Benchmark]: Toolchain (without parser) took 1058.22 ms. Allocated memory was 33.6 MB in the beginning and 44.6 MB in the end (delta: 11.0 MB). Free memory was 6.1 MB in the beginning and 18.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:02,176 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 18.1 MB in the beginning and 18.0 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:02,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.35 ms. Allocated memory was 33.6 MB in the beginning and 44.6 MB in the end (delta: 11.0 MB). Free memory was 5.3 MB in the beginning and 18.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:02,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 18.1 MB in the beginning and 18.0 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1050.35 ms. Allocated memory was 33.6 MB in the beginning and 44.6 MB in the end (delta: 11.0 MB). Free memory was 5.3 MB in the beginning and 18.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:21:04,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:04,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:04,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:04,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:04,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:04,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:04,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:04,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:04,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:04,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:04,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:04,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:04,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:04,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:04,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:04,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:04,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:04,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:04,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:04,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:04,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:04,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:04,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:04,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:04,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:04,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:04,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:04,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:04,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:04,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:04,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:04,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:04,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:04,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:04,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:04,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:04,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:04,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:04,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:04,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:04,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:04,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:04,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:04,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:04,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:04,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:04,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:04,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:04,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:04,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:04,288 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:04,288 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:04,288 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:04,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:04,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:04,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:04,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:04,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:04,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:04,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:04,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:04,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:04,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:04,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:04,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:04,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:04,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:04,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:04,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:04,292 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-10-20 06:21:04,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:04,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:04,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:04,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:04,512 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:04,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-20 06:21:04,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbc05a5/b715f1e0ba6f4a2e8b6e22c3f36495dd/FLAG27cc471c5 [2020-10-20 06:21:05,183 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:05,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-20 06:21:05,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbc05a5/b715f1e0ba6f4a2e8b6e22c3f36495dd/FLAG27cc471c5 [2020-10-20 06:21:05,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbc05a5/b715f1e0ba6f4a2e8b6e22c3f36495dd [2020-10-20 06:21:05,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:05,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:05,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:05,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:05,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:05,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:05" (1/1) ... [2020-10-20 06:21:05,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322af723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:05, skipping insertion in model container [2020-10-20 06:21:05,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:05" (1/1) ... [2020-10-20 06:21:05,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:05,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:06,505 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:21:06,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66dac6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:06, skipping insertion in model container [2020-10-20 06:21:06,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:06,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:06,511 INFO L168 Benchmark]: Toolchain (without parser) took 1070.33 ms. Allocated memory was 38.3 MB in the beginning and 47.2 MB in the end (delta: 8.9 MB). Free memory was 18.2 MB in the beginning and 19.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:06,512 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 14.4 MB in the beginning and 14.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:06,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1063.26 ms. Allocated memory was 38.3 MB in the beginning and 47.2 MB in the end (delta: 8.9 MB). Free memory was 17.4 MB in the beginning and 19.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:06,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 14.4 MB in the beginning and 14.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1063.26 ms. Allocated memory was 38.3 MB in the beginning and 47.2 MB in the end (delta: 8.9 MB). Free memory was 17.4 MB in the beginning and 19.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...