./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 906a4fb5 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/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 -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/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 0.1.25-906a4fb [2020-10-19 18:28:10,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:10,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:10,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:10,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:10,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:10,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:10,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:10,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:10,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:10,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:10,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:10,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:10,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:10,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:10,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:10,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:10,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:10,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:10,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:10,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:10,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:10,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:10,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:10,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:10,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:10,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:10,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:10,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:10,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:10,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:10,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:10,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:10,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:10,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:10,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:10,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:10,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:10,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:10,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:10,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:10,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-19 18:28:10,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:10,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:10,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:10,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:10,150 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:10,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:10,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:10,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:10,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:10,151 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:10,152 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:10,152 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:10,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:10,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:10,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:10,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:10,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:10,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:10,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:10,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:10,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:10,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:10,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:28:10,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:28:10,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:10,156 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 [2020-10-19 18:28:10,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:10,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:10,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:10,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:10,482 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:10,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-19 18:28:10,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4577c24/65ca682f9df24ceabcd3927d15cd4a75/FLAG0b2f21251 [2020-10-19 18:28:11,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:11,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-19 18:28:11,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4577c24/65ca682f9df24ceabcd3927d15cd4a75/FLAG0b2f21251 [2020-10-19 18:28:11,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4577c24/65ca682f9df24ceabcd3927d15cd4a75 [2020-10-19 18:28:11,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:11,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:11,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:11,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:11,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:11,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:11" (1/1) ... [2020-10-19 18:28:11,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e24e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:11, skipping insertion in model container [2020-10-19 18:28:11,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:11" (1/1) ... [2020-10-19 18:28:11,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:11,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:12,459 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-19 18:28:12,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2afd5095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:12, skipping insertion in model container [2020-10-19 18:28:12,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:12,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:12,464 INFO L168 Benchmark]: Toolchain (without parser) took 1147.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:12,464 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:12,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1139.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:12,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1139.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 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 0.1.25-906a4fb [2020-10-19 18:28:14,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:14,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:14,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:14,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:14,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:14,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:14,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:14,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:14,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:14,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:14,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:14,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:14,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:14,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:14,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:14,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:14,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:14,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:14,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:14,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:14,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:14,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:14,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:14,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:14,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:14,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:14,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:14,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:14,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:14,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:14,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:14,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:14,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:14,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:14,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:14,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:14,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:14,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:14,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:14,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:14,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-19 18:28:14,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:14,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:14,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:14,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:14,408 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:14,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:14,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:14,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:14,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:14,409 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:14,409 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:14,410 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:14,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:14,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:14,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:28:14,411 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:28:14,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:14,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:14,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:14,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:14,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:14,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:14,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:14,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:14,413 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:28:14,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:28:14,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:14,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:28:14,414 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 [2020-10-19 18:28:14,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:14,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:14,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:14,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:14,780 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:14,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-19 18:28:14,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc0815c7/9bed6d61e89b4dfaa915267ddf7306b4/FLAG54ac4dff3 [2020-10-19 18:28:15,399 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:15,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-10-19 18:28:15,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc0815c7/9bed6d61e89b4dfaa915267ddf7306b4/FLAG54ac4dff3 [2020-10-19 18:28:15,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc0815c7/9bed6d61e89b4dfaa915267ddf7306b4 [2020-10-19 18:28:15,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:15,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:15,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:15,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:15,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:15,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:15" (1/1) ... [2020-10-19 18:28:15,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ada631a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:15, skipping insertion in model container [2020-10-19 18:28:15,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:15" (1/1) ... [2020-10-19 18:28:15,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:15,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:16,883 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-19 18:28:16,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73e9c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:16, skipping insertion in model container [2020-10-19 18:28:16,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:16,885 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:16,888 INFO L168 Benchmark]: Toolchain (without parser) took 1256.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:16,889 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:16,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1247.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:16,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1247.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 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...