./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/who-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/who-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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ......................................................................................................................... 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/who-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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ............................................................................................................................ 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 06:21:21,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:21,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:21,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:21,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:21,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:21,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:21,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:21,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:21,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:21,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:21,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:21,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:21,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:21,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:21,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:21,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:21,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:21,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:21,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:21,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:21,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:21,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:21,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:21,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:21,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:21,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:21,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:21,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:21,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:21,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:21,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:21,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:21,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:21,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:21,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:21,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:21,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:21,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:21,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:21,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:21,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:21:21,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:21,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:21,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:21,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:21,902 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:21,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:21,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:21,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:21,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:21,904 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:21,905 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:21,905 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:21,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:21,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:21,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:21,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:21,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:21,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:21,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:21,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:21,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:21,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:21,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:21:21,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:21:21,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:21,909 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 -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2020-10-20 06:21:22,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:22,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:22,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:22,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:22,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:22,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-10-20 06:21:22,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67eb444f1/1078a164efa34fd3b0af2b9b2795e4f2/FLAGfb4350d81 [2020-10-20 06:21:22,941 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:22,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-10-20 06:21:22,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67eb444f1/1078a164efa34fd3b0af2b9b2795e4f2/FLAGfb4350d81 [2020-10-20 06:21:23,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67eb444f1/1078a164efa34fd3b0af2b9b2795e4f2 [2020-10-20 06:21:23,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:23,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:23,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:23,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:23,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:23,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:23" (1/1) ... [2020-10-20 06:21:23,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14974742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:23, skipping insertion in model container [2020-10-20 06:21:23,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:23" (1/1) ... [2020-10-20 06:21:23,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:23,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:24,547 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-10-20 06:21:24,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fb9e2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:24, skipping insertion in model container [2020-10-20 06:21:24,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:24,549 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:24,552 INFO L168 Benchmark]: Toolchain (without parser) took 1457.14 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 14.1 MB in the beginning and 24.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:24,554 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 12.4 MB in the beginning and 12.3 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:24,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1448.56 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.2 MB in the beginning and 24.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:24,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 12.4 MB in the beginning and 12.3 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1448.56 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.2 MB in the beginning and 24.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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 06:21:26,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:26,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:26,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:26,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:26,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:26,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:26,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:26,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:26,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:26,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:26,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:26,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:26,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:26,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:26,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:26,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:26,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:26,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:26,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:26,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:26,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:26,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:26,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:26,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:26,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:26,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:26,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:26,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:26,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:26,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:26,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:26,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:26,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:26,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:26,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:26,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:26,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:26,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:26,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:26,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:26,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:26,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:26,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:26,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:26,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:26,714 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:26,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:26,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:26,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:26,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:26,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:26,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:26,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:26,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:26,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:26,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:26,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:26,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:26,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:26,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:26,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:26,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:26,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:26,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:26,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:26,720 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:26,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:26,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:26,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:26,720 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 -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2020-10-20 06:21:26,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:26,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:26,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:26,939 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:26,940 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:26,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-10-20 06:21:27,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950deeaa2/1f66597b78e54ae89096e202ae852418/FLAG3349ae39a [2020-10-20 06:21:27,713 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:27,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-10-20 06:21:27,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950deeaa2/1f66597b78e54ae89096e202ae852418/FLAG3349ae39a [2020-10-20 06:21:27,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950deeaa2/1f66597b78e54ae89096e202ae852418 [2020-10-20 06:21:27,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:27,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:27,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:27,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:27,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:27,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:27" (1/1) ... [2020-10-20 06:21:27,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9f2cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:27, skipping insertion in model container [2020-10-20 06:21:27,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:27" (1/1) ... [2020-10-20 06:21:27,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:28,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:29,317 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-10-20 06:21:29,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@735f2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:29, skipping insertion in model container [2020-10-20 06:21:29,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:29,319 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:29,322 INFO L168 Benchmark]: Toolchain (without parser) took 1444.60 ms. Allocated memory was 34.6 MB in the beginning and 45.6 MB in the end (delta: 11.0 MB). Free memory was 12.5 MB in the beginning and 14.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:29,323 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 33.0 MB. Free memory was 11.8 MB in the beginning and 11.8 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:29,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.00 ms. Allocated memory was 34.6 MB in the beginning and 45.6 MB in the end (delta: 11.0 MB). Free memory was 11.6 MB in the beginning and 14.0 MB in the end (delta: -2.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:29,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 33.0 MB. Free memory was 11.8 MB in the beginning and 11.8 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1432.00 ms. Allocated memory was 34.6 MB in the beginning and 45.6 MB in the end (delta: 11.0 MB). Free memory was 11.6 MB in the beginning and 14.0 MB in the end (delta: -2.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...