./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/fold-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/fold-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 334450e9aa5addf509e3899167897d84dd173425 ......................................................................................................................... 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/fold-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 334450e9aa5addf509e3899167897d84dd173425 ............................................................................................................................ 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 06:20:47,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:47,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:47,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:47,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:47,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:47,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:47,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:47,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:47,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:47,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:47,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:47,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:47,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:47,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:47,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:47,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:47,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:47,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:47,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:47,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:47,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:47,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:47,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:47,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:47,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:47,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:47,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:47,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:47,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:47,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:47,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:47,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:47,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:47,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:47,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:47,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:47,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:47,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:47,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:47,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:47,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:47,989 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:47,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:47,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:47,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:47,991 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:47,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:47,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:47,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:47,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:47,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:47,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:47,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:47,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:47,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:47,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:47,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:47,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:47,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:47,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:47,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:47,995 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 -> 334450e9aa5addf509e3899167897d84dd173425 [2020-10-20 06:20:48,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:48,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:48,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:48,260 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:48,260 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:48,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-10-20 06:20:48,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef35f30e3/5810ee3b66044786a80458988edbdfbd/FLAGfa7b269da [2020-10-20 06:20:49,045 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:49,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-10-20 06:20:49,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef35f30e3/5810ee3b66044786a80458988edbdfbd/FLAGfa7b269da [2020-10-20 06:20:49,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef35f30e3/5810ee3b66044786a80458988edbdfbd [2020-10-20 06:20:49,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:49,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:49,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:49,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:49,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:49,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f51c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:49, skipping insertion in model container [2020-10-20 06:20:49,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:49,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:50,329 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 06:20:50,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f0a13f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:50, skipping insertion in model container [2020-10-20 06:20:50,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:50,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:50,334 INFO L168 Benchmark]: Toolchain (without parser) took 1160.29 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 15.1 MB in the beginning and 24.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,335 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 38.4 kB). Peak memory consumption was 38.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.82 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 14.3 MB in the beginning and 24.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,339 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 33.0 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 38.4 kB). Peak memory consumption was 38.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1151.82 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 14.3 MB in the beginning and 24.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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 06:20:52,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:52,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:52,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:52,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:52,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:52,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:52,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:52,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:52,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:52,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:52,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:52,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:52,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:52,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:52,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:52,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:52,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:52,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:52,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:52,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:52,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:52,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:52,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:52,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:52,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:52,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:52,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:52,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:52,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:52,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:52,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:52,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:52,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:52,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:52,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:52,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:52,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:52,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:52,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:52,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:52,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:52,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:52,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:52,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:52,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:52,349 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:52,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:52,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:52,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:52,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:52,350 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:52,350 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:52,350 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:52,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:52,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:52,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:52,351 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:52,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:52,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:52,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:52,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:52,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:52,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:52,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:52,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:52,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:52,353 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 -> 334450e9aa5addf509e3899167897d84dd173425 [2020-10-20 06:20:52,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:52,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:52,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:52,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:52,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:52,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-10-20 06:20:52,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdae16c3/3b4e868cf3a44c07a8b77a54645ec7d6/FLAGa0381c02b [2020-10-20 06:20:53,330 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:53,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-10-20 06:20:53,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdae16c3/3b4e868cf3a44c07a8b77a54645ec7d6/FLAGa0381c02b [2020-10-20 06:20:53,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdae16c3/3b4e868cf3a44c07a8b77a54645ec7d6 [2020-10-20 06:20:53,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:53,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:53,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:53,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:53,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:53,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5396f964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:53, skipping insertion in model container [2020-10-20 06:20:53,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:53,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:54,755 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 06:20:54,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8af9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:54, skipping insertion in model container [2020-10-20 06:20:54,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:54,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:54,759 INFO L168 Benchmark]: Toolchain (without parser) took 1338.26 ms. Allocated memory was 34.6 MB in the beginning and 46.7 MB in the end (delta: 12.1 MB). Free memory was 10.0 MB in the beginning and 25.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,760 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 33.0 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1327.75 ms. Allocated memory was 34.6 MB in the beginning and 46.7 MB in the end (delta: 12.1 MB). Free memory was 9.1 MB in the beginning and 25.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 33.0 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1327.75 ms. Allocated memory was 34.6 MB in the beginning and 46.7 MB in the end (delta: 12.1 MB). Free memory was 9.1 MB in the beginning and 25.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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...