./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5317dae 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_1.5.800.v20200727-1323.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/readlink-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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 03:54:01,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 03:54:01,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 03:54:01,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 03:54:01,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 03:54:01,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 03:54:01,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 03:54:01,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 03:54:01,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 03:54:01,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 03:54:01,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 03:54:01,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 03:54:01,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 03:54:01,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 03:54:01,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 03:54:01,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 03:54:01,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 03:54:01,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 03:54:01,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 03:54:01,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 03:54:01,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 03:54:01,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 03:54:01,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 03:54:01,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 03:54:01,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 03:54:01,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 03:54:01,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 03:54:01,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 03:54:01,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 03:54:01,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 03:54:01,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 03:54:01,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 03:54:01,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 03:54:01,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 03:54:01,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 03:54:01,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 03:54:01,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 03:54:01,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 03:54:01,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 03:54:01,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 03:54:01,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 03:54:01,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-16 03:54:01,246 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 03:54:01,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 03:54:01,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 03:54:01,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 03:54:01,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 03:54:01,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 03:54:01,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 03:54:01,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 03:54:01,249 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 03:54:01,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 03:54:01,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 03:54:01,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-16 03:54:01,251 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 03:54:01,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 03:54:01,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 03:54:01,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 03:54:01,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 03:54:01,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 03:54:01,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 03:54:01,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 03:54:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 03:54:01,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 03:54:01,252 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 03:54:01,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 03:54:01,253 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 03:54:01,253 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-16 03:54:01,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 03:54:01,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 03:54:01,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 03:54:01,493 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 03:54:01,494 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 03:54:01,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-16 03:54:02,481 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 03:54:02,750 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 03:54:02,751 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-16 03:54:02,769 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f98bb59a/e2995edf9f794e00abd5a817da63ac64/FLAG439f398e4 [2023-02-16 03:54:02,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f98bb59a/e2995edf9f794e00abd5a817da63ac64 [2023-02-16 03:54:02,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 03:54:02,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 03:54:02,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 03:54:02,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 03:54:02,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 03:54:02,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:54:02" (1/1) ... [2023-02-16 03:54:02,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e417710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:54:02, skipping insertion in model container [2023-02-16 03:54:02,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:54:02" (1/1) ... [2023-02-16 03:54:02,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 03:54:02,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 03:54:03,488 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-16 03:54:03,489 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-16 03:54:03,490 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-16 03:54:03,504 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-16 03:54:03,510 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-16 03:54:03,512 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-16 03:54:03,514 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2023-02-16 03:54:03,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@352a032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:54:03, skipping insertion in model container [2023-02-16 03:54:03,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 03:54:03,516 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-16 03:54:03,517 INFO L158 Benchmark]: Toolchain (without parser) took 736.12ms. Allocated memory is still 165.7MB. Free memory was 125.0MB in the beginning and 97.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-16 03:54:03,518 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 03:54:03,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.62ms. Allocated memory is still 165.7MB. Free memory was 125.0MB in the beginning and 97.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-16 03:54:03,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.62ms. Allocated memory is still 165.7MB. Free memory was 125.0MB in the beginning and 97.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1.5.800.v20200727-1323.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/readlink-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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 03:54:05,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 03:54:05,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 03:54:05,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 03:54:05,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 03:54:05,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 03:54:05,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 03:54:05,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 03:54:05,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 03:54:05,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 03:54:05,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 03:54:05,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 03:54:05,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 03:54:05,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 03:54:05,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 03:54:05,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 03:54:05,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 03:54:05,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 03:54:05,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 03:54:05,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 03:54:05,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 03:54:05,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 03:54:05,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 03:54:05,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 03:54:05,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 03:54:05,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 03:54:05,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 03:54:05,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 03:54:05,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 03:54:05,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 03:54:05,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 03:54:05,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 03:54:05,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 03:54:05,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 03:54:05,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 03:54:05,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 03:54:05,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 03:54:05,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 03:54:05,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 03:54:05,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 03:54:05,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 03:54:05,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-16 03:54:05,173 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 03:54:05,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 03:54:05,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 03:54:05,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 03:54:05,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 03:54:05,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 03:54:05,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 03:54:05,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 03:54:05,176 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 03:54:05,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 03:54:05,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 03:54:05,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-16 03:54:05,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-16 03:54:05,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-16 03:54:05,178 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 03:54:05,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 03:54:05,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 03:54:05,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 03:54:05,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 03:54:05,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 03:54:05,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 03:54:05,179 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-16 03:54:05,179 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-16 03:54:05,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 03:54:05,179 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 03:54:05,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 03:54:05,180 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-16 03:54:05,180 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 03:54:05,180 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-16 03:54:05,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 03:54:05,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 03:54:05,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 03:54:05,425 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 03:54:05,425 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 03:54:05,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-16 03:54:06,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 03:54:06,566 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 03:54:06,566 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-16 03:54:06,584 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba95f739/fc7fe15ff1c0418f9523eaf3115db598/FLAGbc459b551 [2023-02-16 03:54:06,596 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba95f739/fc7fe15ff1c0418f9523eaf3115db598 [2023-02-16 03:54:06,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 03:54:06,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 03:54:06,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 03:54:06,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 03:54:06,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 03:54:06,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:54:06" (1/1) ... [2023-02-16 03:54:06,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c48a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:54:06, skipping insertion in model container [2023-02-16 03:54:06,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:54:06" (1/1) ... [2023-02-16 03:54:06,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 03:54:06,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 03:54:07,298 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-16 03:54:07,300 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-16 03:54:07,303 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-16 03:54:07,319 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-16 03:54:07,325 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-16 03:54:07,327 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-16 03:54:07,329 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2023-02-16 03:54:07,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c428535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:54:07, skipping insertion in model container [2023-02-16 03:54:07,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 03:54:07,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-16 03:54:07,332 INFO L158 Benchmark]: Toolchain (without parser) took 732.78ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 40.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-16 03:54:07,333 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 03:54:07,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.79ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 40.4MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-16 03:54:07,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.79ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 40.4MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN