./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 60e87bbb338de49f951bcda640064e8dc1c76515 ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 60e87bbb338de49f951bcda640064e8dc1c76515 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:21:37,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:21:37,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:21:37,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:21:37,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:21:37,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:21:37,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:21:37,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:21:37,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:21:37,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:21:37,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:21:37,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:21:37,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:21:37,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:21:37,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:21:37,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:21:37,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:21:37,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:21:37,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:21:37,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:21:37,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:21:37,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:21:37,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:21:37,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:21:37,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:21:37,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:21:37,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:21:37,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:21:37,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:21:37,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:21:37,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:21:37,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:21:37,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:21:37,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:21:37,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:21:37,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:21:37,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:21:37,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:21:37,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:21:37,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:21:37,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:21:37,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-28 20:21:37,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:21:37,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:21:37,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:21:37,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:21:37,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:21:37,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:21:37,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:21:37,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:21:37,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:21:37,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:21:37,240 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:21:37,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:21:37,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:21:37,241 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:21:37,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:21:37,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:21:37,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:21:37,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:21:37,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:21:37,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:21:37,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:21:37,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:21:37,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:21:37,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:21:37,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:21:37,244 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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-28 20:21:37,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:21:37,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:21:37,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:21:37,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:21:37,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:21:37,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-28 20:21:37,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ea6fbbf/99e0ccee960b4249bb52f42f34f11b0a/FLAGfdacf3abd [2019-11-28 20:21:38,380 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:21:38,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-28 20:21:38,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ea6fbbf/99e0ccee960b4249bb52f42f34f11b0a/FLAGfdacf3abd [2019-11-28 20:21:38,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ea6fbbf/99e0ccee960b4249bb52f42f34f11b0a [2019-11-28 20:21:38,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:21:38,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:21:38,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:21:38,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:21:38,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:21:38,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:38" (1/1) ... [2019-11-28 20:21:38,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760af9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:38, skipping insertion in model container [2019-11-28 20:21:38,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:38" (1/1) ... [2019-11-28 20:21:38,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:21:38,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:21:39,770 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 [2019-11-28 20:21:39,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6acf0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:39, skipping insertion in model container [2019-11-28 20:21:39,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:21:39,771 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:21:39,775 INFO L168 Benchmark]: Toolchain (without parser) took 1234.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:21:39,776 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:21:39,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1231.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:21:39,780 INFO L335 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 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1231.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: 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... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 20:21:41,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:21:41,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:21:41,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:21:41,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:21:41,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:21:41,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:21:41,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:21:41,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:21:41,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:21:41,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:21:41,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:21:41,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:21:41,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:21:41,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:21:41,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:21:41,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:21:41,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:21:41,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:21:41,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:21:41,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:21:41,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:21:41,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:21:41,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:21:41,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:21:41,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:21:41,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:21:41,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:21:41,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:21:41,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:21:41,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:21:41,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:21:41,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:21:41,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:21:41,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:21:41,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:21:41,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:21:41,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:21:41,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:21:41,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:21:41,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:21:41,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-28 20:21:41,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:21:41,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:21:41,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:21:41,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:21:41,684 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:21:41,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:21:41,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:21:41,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:21:41,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:21:41,685 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:21:41,686 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:21:41,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:21:41,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:21:41,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:21:41,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:21:41,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:21:41,689 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:21:41,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:21:41,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:21:41,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:21:41,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:21:41,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:21:41,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:21:41,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:21:41,692 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:21:41,692 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:21:41,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:21:41,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:21:41,693 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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-28 20:21:42,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:21:42,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:21:42,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:21:42,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:21:42,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:21:42,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-28 20:21:42,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4298deb09/0dccb665deaa45d7a7ad99dc236f402c/FLAGbaa1d5ddf [2019-11-28 20:21:42,879 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:21:42,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-28 20:21:42,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4298deb09/0dccb665deaa45d7a7ad99dc236f402c/FLAGbaa1d5ddf [2019-11-28 20:21:42,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4298deb09/0dccb665deaa45d7a7ad99dc236f402c [2019-11-28 20:21:42,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:21:42,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:21:42,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:21:42,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:21:42,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:21:42,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:42" (1/1) ... [2019-11-28 20:21:42,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f40bda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:42, skipping insertion in model container [2019-11-28 20:21:42,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:42" (1/1) ... [2019-11-28 20:21:42,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:21:43,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:21:44,388 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 [2019-11-28 20:21:44,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7750963a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:44, skipping insertion in model container [2019-11-28 20:21:44,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:21:44,390 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:21:44,393 INFO L168 Benchmark]: Toolchain (without parser) took 1427.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:21:44,394 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:21:44,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1425.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:21:44,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1425.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: 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...