./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 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 85882b3782e79346e005d0912e816423d301fcd0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 85882b3782e79346e005d0912e816423d301fcd0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:43,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:43,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:43,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:43,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:43,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:43,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:43,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:43,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:43,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:43,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:43,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:43,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:43,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:43,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:43,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:43,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:43,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:43,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:43,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:43,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:43,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:43,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:43,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:43,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:43,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:43,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:43,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:43,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:43,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:43,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:43,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:43,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:43,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:43,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:43,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:43,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:43,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:43,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:43,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:43,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:43,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:29:43,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:43,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:43,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:43,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:43,708 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:43,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:43,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:43,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:43,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:43,711 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:43,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:43,712 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:43,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:43,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:43,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:43,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:43,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:43,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:43,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:43,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:43,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:43,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:43,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:29:43,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:29:43,717 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 -> 85882b3782e79346e005d0912e816423d301fcd0 [2019-11-26 00:29:44,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:44,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:44,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:44,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:44,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:44,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2019-11-26 00:29:44,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69848a709/b8dcf8caf828443497292aa165a81522/FLAG908306b96 [2019-11-26 00:29:45,405 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:45,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2019-11-26 00:29:45,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69848a709/b8dcf8caf828443497292aa165a81522/FLAG908306b96 [2019-11-26 00:29:45,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69848a709/b8dcf8caf828443497292aa165a81522 [2019-11-26 00:29:45,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:45,812 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:45,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:45,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:45,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:45,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:45" (1/1) ... [2019-11-26 00:29:45,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27471e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:45, skipping insertion in model container [2019-11-26 00:29:45,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:45" (1/1) ... [2019-11-26 00:29:45,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:45,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:47,712 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-26 00:29:47,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d921b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:47, skipping insertion in model container [2019-11-26 00:29:47,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:47,717 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 00:29:47,722 INFO L168 Benchmark]: Toolchain (without parser) took 1906.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:47,723 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:47,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1898.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:47,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1898.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2245]: 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 0.1.24-65d6cd2 [2019-11-26 00:29:50,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:50,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:50,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:50,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:50,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:50,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:50,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:50,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:50,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:50,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:50,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:50,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:50,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:50,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:50,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:50,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:50,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:50,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:50,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:50,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:50,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:50,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:50,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:50,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:50,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:50,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:50,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:50,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:50,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:50,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:50,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:50,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:50,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:50,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:50,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:50,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:50,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:50,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:50,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:50,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:50,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:29:50,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:50,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:50,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:50,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:50,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:50,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:50,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:50,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:50,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:50,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:50,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:50,596 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:50,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:50,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:50,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:50,597 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:50,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:50,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:50,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:50,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:50,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:50,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:50,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:50,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:50,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:50,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:50,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:50,602 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 -> 85882b3782e79346e005d0912e816423d301fcd0 [2019-11-26 00:29:51,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:51,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:51,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:51,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:51,091 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:51,092 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2019-11-26 00:29:51,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff71316a1/cdf9ba268c494d5cad4db4d666aee38c/FLAG569456b26 [2019-11-26 00:29:52,265 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:52,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2019-11-26 00:29:52,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff71316a1/cdf9ba268c494d5cad4db4d666aee38c/FLAG569456b26 [2019-11-26 00:29:52,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff71316a1/cdf9ba268c494d5cad4db4d666aee38c [2019-11-26 00:29:52,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:52,749 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:52,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:52,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:52,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:52,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:52" (1/1) ... [2019-11-26 00:29:52,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a697122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:52, skipping insertion in model container [2019-11-26 00:29:52,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:52" (1/1) ... [2019-11-26 00:29:52,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:52,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:54,628 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-26 00:29:54,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8ac0c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:54, skipping insertion in model container [2019-11-26 00:29:54,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:54,632 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 00:29:54,639 INFO L168 Benchmark]: Toolchain (without parser) took 1885.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 972.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:54,640 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:54,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1882.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 972.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:54,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1882.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 972.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2245]: 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...