./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/sync-2.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/sync-2.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 3918e16c1381c46d79ce53a5244e0a0b7f9d16d2 ......................................................................................................................... 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/sync-2.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 3918e16c1381c46d79ce53a5244e0a0b7f9d16d2 ............................................................................................................................ 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 06:21:12,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:12,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:12,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:12,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:12,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:12,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:12,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:12,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:12,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:12,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:12,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:12,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:12,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:12,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:12,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:12,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:12,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:12,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:12,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:12,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:12,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:12,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:12,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:12,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:12,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:12,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:12,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:12,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:12,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:12,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:12,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:12,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:12,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:12,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:12,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:12,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:12,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:12,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:12,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:12,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:12,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:21:12,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:12,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:12,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:12,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:12,995 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:12,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:12,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:12,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:12,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:12,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:13,000 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:13,000 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:13,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:13,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:13,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:13,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:13,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:13,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:13,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:13,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:13,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:13,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:13,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:21:13,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:21:13,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:13,005 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 -> 3918e16c1381c46d79ce53a5244e0a0b7f9d16d2 [2020-10-20 06:21:13,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:13,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:13,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:13,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:13,255 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:13,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2020-10-20 06:21:13,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a36f44c/11d573fa92e44e1793fc0de1bb125132/FLAGb881d6c45 [2020-10-20 06:21:13,977 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:13,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2020-10-20 06:21:14,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a36f44c/11d573fa92e44e1793fc0de1bb125132/FLAGb881d6c45 [2020-10-20 06:21:14,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a36f44c/11d573fa92e44e1793fc0de1bb125132 [2020-10-20 06:21:14,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:14,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:14,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:14,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:14,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:14,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:14" (1/1) ... [2020-10-20 06:21:14,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325a58ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:14, skipping insertion in model container [2020-10-20 06:21:14,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:14" (1/1) ... [2020-10-20 06:21:14,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:14,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:15,248 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-10-20 06:21:15,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71b4560a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:15, skipping insertion in model container [2020-10-20 06:21:15,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:15,258 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:15,263 INFO L168 Benchmark]: Toolchain (without parser) took 1085.24 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 8.7 MB in the beginning and 21.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,264 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.0 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 34.6 kB). Peak memory consumption was 34.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1073.83 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.9 MB in the beginning and 21.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 33.0 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 34.6 kB). Peak memory consumption was 34.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1073.83 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.9 MB in the beginning and 21.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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 06:21:17,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:17,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:17,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:17,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:17,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:17,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:17,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:17,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:17,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:17,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:17,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:17,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:17,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:17,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:17,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:17,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:17,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:17,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:17,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:17,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:17,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:17,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:17,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:17,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:17,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:17,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:17,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:17,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:17,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:17,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:17,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:17,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:17,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:17,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:17,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:17,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:17,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:17,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:17,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:17,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:17,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:17,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:17,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:17,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:17,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:17,370 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:17,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:17,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:17,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:17,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:17,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:17,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:17,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:17,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:17,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:17,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:17,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:17,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:17,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:17,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:17,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:17,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:17,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:17,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:17,379 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 -> 3918e16c1381c46d79ce53a5244e0a0b7f9d16d2 [2020-10-20 06:21:17,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:17,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:17,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:17,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:17,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:17,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2020-10-20 06:21:17,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eb9fa2f/efc06a2668bb46fca314adddbc639f23/FLAGe64de830a [2020-10-20 06:21:18,331 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:18,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2020-10-20 06:21:18,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eb9fa2f/efc06a2668bb46fca314adddbc639f23/FLAGe64de830a [2020-10-20 06:21:18,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eb9fa2f/efc06a2668bb46fca314adddbc639f23 [2020-10-20 06:21:18,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:18,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:18,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:18,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:18,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:18,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:18" (1/1) ... [2020-10-20 06:21:18,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5818efad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:18, skipping insertion in model container [2020-10-20 06:21:18,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:18" (1/1) ... [2020-10-20 06:21:18,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:18,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:19,499 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-10-20 06:21:19,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10e5a494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:19, skipping insertion in model container [2020-10-20 06:21:19,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:19,503 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:19,506 INFO L168 Benchmark]: Toolchain (without parser) took 971.90 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 12.3 MB in the beginning and 23.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:19,507 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:19,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.43 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 11.4 MB in the beginning and 23.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:19,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 961.43 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 11.4 MB in the beginning and 23.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...