./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67b95fb0884527cff4cd990f5c76069c4524d11d ......................................................................................................................... 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/tac-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67b95fb0884527cff4cd990f5c76069c4524d11d ............................................................................................................................ 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 06:21:13,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:13,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:13,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:13,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:13,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:13,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:13,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:13,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:13,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:13,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:13,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:13,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:13,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:13,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:13,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:13,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:13,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:13,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:13,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:13,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:13,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:13,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:13,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:13,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:13,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:13,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:13,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:13,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:13,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:13,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:13,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:13,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:13,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:13,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:13,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:13,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:13,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:13,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:13,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:13,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:21:13,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:13,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:13,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:13,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:13,471 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:13,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:13,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:13,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:13,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:13,472 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:13,472 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:13,472 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:13,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:13,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:13,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:13,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:13,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:13,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:13,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:13,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:13,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:13,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:13,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:21:13,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:21:13,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:13,476 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 -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2020-10-20 06:21:13,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:13,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:13,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:13,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:13,721 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:13,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-10-20 06:21:13,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9900ac1a2/0656ad5222bf4fbfae8c99364ee08d14/FLAGa0680f23f [2020-10-20 06:21:14,433 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:14,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-10-20 06:21:14,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9900ac1a2/0656ad5222bf4fbfae8c99364ee08d14/FLAGa0680f23f [2020-10-20 06:21:14,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9900ac1a2/0656ad5222bf4fbfae8c99364ee08d14 [2020-10-20 06:21:14,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:14,671 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:14,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:14,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:14,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:14,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:14" (1/1) ... [2020-10-20 06:21:14,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fa67fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:14, skipping insertion in model container [2020-10-20 06:21:14,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:14" (1/1) ... [2020-10-20 06:21:14,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:14,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:15,742 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:21:15,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a274351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:15, skipping insertion in model container [2020-10-20 06:21:15,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:15,744 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:15,748 INFO L168 Benchmark]: Toolchain (without parser) took 1173.17 ms. Allocated memory was 36.2 MB in the beginning and 48.2 MB in the end (delta: 12.1 MB). Free memory was 5.1 MB in the beginning and 16.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,749 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 36.2 MB. Free memory was 15.6 MB in the beginning and 15.6 MB in the end (delta: 76.2 kB). Peak memory consumption was 76.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1072.30 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 28.0 MB in the beginning and 16.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:15,756 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 36.2 MB. Free memory was 15.6 MB in the beginning and 15.6 MB in the end (delta: 76.2 kB). Peak memory consumption was 76.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1072.30 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 28.0 MB in the beginning and 16.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:21:17,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:17,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:17,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:17,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:17,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:17,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:17,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:17,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:17,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:17,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:17,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:17,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:17,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:17,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:17,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:17,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:17,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:17,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:17,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:17,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:17,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:17,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:17,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:17,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:17,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:17,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:17,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:17,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:17,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:17,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:17,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:17,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:17,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:17,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:17,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:17,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:17,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:17,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:17,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:17,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:17,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:17,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:17,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:17,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:17,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:17,883 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:17,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:17,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:17,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:17,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:17,884 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:17,885 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:17,885 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:17,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:17,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:17,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:17,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:17,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:17,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:17,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:17,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:17,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:17,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:17,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:17,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:17,888 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:17,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:17,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:17,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:17,889 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 -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2020-10-20 06:21:18,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:18,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:18,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:18,113 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:18,114 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:18,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-10-20 06:21:18,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497918a80/92a38e5895cc4daab92e68986f23c191/FLAG05f76493b [2020-10-20 06:21:18,881 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:18,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-10-20 06:21:18,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497918a80/92a38e5895cc4daab92e68986f23c191/FLAG05f76493b [2020-10-20 06:21:18,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497918a80/92a38e5895cc4daab92e68986f23c191 [2020-10-20 06:21:19,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:19,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:19,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:19,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:19,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:19,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:18" (1/1) ... [2020-10-20 06:21:19,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fe6d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:19, skipping insertion in model container [2020-10-20 06:21:19,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:18" (1/1) ... [2020-10-20 06:21:19,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:19,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:20,210 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:21:20,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@286c91b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:20, skipping insertion in model container [2020-10-20 06:21:20,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:20,212 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:20,215 INFO L168 Benchmark]: Toolchain (without parser) took 1211.66 ms. Allocated memory was 35.7 MB in the beginning and 47.7 MB in the end (delta: 12.1 MB). Free memory was 9.4 MB in the beginning and 15.8 MB in the end (delta: -6.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:20,216 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 9.4 MB in the beginning and 9.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:20,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.32 ms. Allocated memory was 35.7 MB in the beginning and 47.7 MB in the end (delta: 12.1 MB). Free memory was 8.6 MB in the beginning and 15.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:20,220 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 33.6 MB. Free memory was 9.4 MB in the beginning and 9.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1203.32 ms. Allocated memory was 35.7 MB in the beginning and 47.7 MB in the end (delta: 12.1 MB). Free memory was 8.6 MB in the beginning and 15.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...