./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 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/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ......................................................................................................................... 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/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:21:05,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:05,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:05,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:05,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:05,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:05,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:05,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:05,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:05,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:05,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:05,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:05,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:05,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:06,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:06,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:06,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:06,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:06,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:06,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:06,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:06,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:06,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:06,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:06,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:06,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:06,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:06,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:06,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:06,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:06,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:06,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:06,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:06,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:06,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:06,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:06,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:06,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:06,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:06,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:06,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:06,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:21:06,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:06,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:06,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:06,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:06,093 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:06,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:06,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:06,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:06,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:06,095 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:06,096 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:06,096 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:06,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:06,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:06,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:06,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:06,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:06,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:06,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:06,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:06,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:06,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:06,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:21:06,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:21:06,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:06,100 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 -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-10-20 06:21:06,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:06,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:06,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:06,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:06,321 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:06,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-10-20 06:21:06,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87cfd0fe/f2668beea4f046f99e98881efe832289/FLAGb1ef84f2b [2020-10-20 06:21:07,102 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:07,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-10-20 06:21:07,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87cfd0fe/f2668beea4f046f99e98881efe832289/FLAGb1ef84f2b [2020-10-20 06:21:07,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87cfd0fe/f2668beea4f046f99e98881efe832289 [2020-10-20 06:21:07,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:07,207 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:07,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:07,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:07,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:07,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:07" (1/1) ... [2020-10-20 06:21:07,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b469ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:07, skipping insertion in model container [2020-10-20 06:21:07,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:07" (1/1) ... [2020-10-20 06:21:07,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:07,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:08,450 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 [2020-10-20 06:21:08,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6caa32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:08, skipping insertion in model container [2020-10-20 06:21:08,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:08,452 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:08,455 INFO L168 Benchmark]: Toolchain (without parser) took 1251.52 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 11.8 MB in the beginning and 17.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:08,457 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:08,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1243.69 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 11.0 MB in the beginning and 17.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:08,461 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 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1243.69 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 11.0 MB in the beginning and 17.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * 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... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:21:10,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:10,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:10,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:10,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:10,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:10,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:10,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:10,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:10,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:10,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:10,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:10,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:10,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:10,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:10,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:10,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:10,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:10,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:10,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:10,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:10,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:10,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:10,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:10,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:10,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:10,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:10,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:10,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:10,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:10,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:10,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:10,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:10,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:10,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:10,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:10,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:10,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:10,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:10,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:10,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:10,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:10,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:10,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:10,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:10,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:10,744 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:10,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:10,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:10,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:10,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:10,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:10,746 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:10,747 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:10,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:10,747 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:10,748 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:10,748 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:10,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:10,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:10,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:10,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:10,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:10,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:10,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:10,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:10,751 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:10,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:10,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:10,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:10,752 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 -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-10-20 06:21:10,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:11,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:11,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:11,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:11,008 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:11,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-10-20 06:21:11,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f179d9dfa/d361e614f5544e7c92bffad8d8aa4129/FLAG0bde7f14f [2020-10-20 06:21:11,866 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:11,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-10-20 06:21:11,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f179d9dfa/d361e614f5544e7c92bffad8d8aa4129/FLAG0bde7f14f [2020-10-20 06:21:11,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f179d9dfa/d361e614f5544e7c92bffad8d8aa4129 [2020-10-20 06:21:11,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:11,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:11,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:11,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:12,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:12,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:11" (1/1) ... [2020-10-20 06:21:12,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53eea5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:12, skipping insertion in model container [2020-10-20 06:21:12,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:11" (1/1) ... [2020-10-20 06:21:12,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:12,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:13,326 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 [2020-10-20 06:21:13,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e7d6781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:13, skipping insertion in model container [2020-10-20 06:21:13,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:13,328 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:13,331 INFO L168 Benchmark]: Toolchain (without parser) took 1341.01 ms. Allocated memory was 34.1 MB in the beginning and 45.6 MB in the end (delta: 11.5 MB). Free memory was 9.5 MB in the beginning and 23.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:13,333 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:13,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.44 ms. Allocated memory was 34.1 MB in the beginning and 45.6 MB in the end (delta: 11.5 MB). Free memory was 8.5 MB in the beginning and 23.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:13,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1330.44 ms. Allocated memory was 34.1 MB in the beginning and 45.6 MB in the end (delta: 11.5 MB). Free memory was 8.5 MB in the beginning and 23.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * 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...