./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/usleep-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/usleep-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 e74f98059c168bbea3fa809da06c6e55d25d54fc ......................................................................................................................... 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/usleep-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 e74f98059c168bbea3fa809da06c6e55d25d54fc ............................................................................................................................ 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 06:21:18,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:18,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:18,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:18,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:18,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:18,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:18,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:18,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:18,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:18,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:18,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:18,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:18,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:18,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:18,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:18,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:18,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:18,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:18,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:18,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:18,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:18,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:18,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:18,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:18,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:18,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:18,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:18,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:18,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:18,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:18,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:18,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:18,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:18,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:18,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:18,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:18,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:18,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:18,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:18,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:18,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:21:18,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:18,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:18,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:18,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:18,629 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:18,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:18,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:18,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:18,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:18,630 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:18,631 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:18,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:18,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:18,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:18,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:18,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:18,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:18,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:18,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:18,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:18,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:18,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:18,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:21:18,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:21:18,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:18,635 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 -> e74f98059c168bbea3fa809da06c6e55d25d54fc [2020-10-20 06:21:18,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:18,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:18,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:18,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:18,863 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:18,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2020-10-20 06:21:18,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18189205/a01a13549de14f318240d44c14d935b7/FLAG35a8015e7 [2020-10-20 06:21:19,616 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:19,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2020-10-20 06:21:19,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18189205/a01a13549de14f318240d44c14d935b7/FLAG35a8015e7 [2020-10-20 06:21:19,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18189205/a01a13549de14f318240d44c14d935b7 [2020-10-20 06:21:19,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:19,788 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:19,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:19,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:19,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:19,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:19" (1/1) ... [2020-10-20 06:21:19,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3788d938 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 06:21:19,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:19" (1/1) ... [2020-10-20 06:21:19,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:19,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:21,157 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 06:21:21,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bbcd576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:21, skipping insertion in model container [2020-10-20 06:21:21,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:21,159 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:21,162 INFO L168 Benchmark]: Toolchain (without parser) took 1378.10 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 9.4 MB in the beginning and 17.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:21,163 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 33.0 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:21,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.76 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 8.5 MB in the beginning and 17.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:21,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 33.0 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1369.76 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 8.5 MB in the beginning and 17.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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 06:21:23,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:21:23,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:21:23,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:21:23,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:21:23,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:21:23,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:21:23,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:21:23,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:21:23,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:21:23,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:21:23,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:21:23,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:21:23,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:21:23,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:21:23,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:21:23,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:21:23,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:21:23,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:21:23,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:21:23,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:21:23,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:21:23,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:21:23,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:21:23,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:21:23,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:21:23,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:21:23,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:21:23,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:21:23,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:21:23,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:21:23,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:21:23,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:21:23,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:21:23,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:21:23,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:21:23,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:21:23,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:21:23,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:21:23,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:21:23,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:21:23,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:21:23,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:21:23,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:21:23,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:21:23,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:21:23,226 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:21:23,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:21:23,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:21:23,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:21:23,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:21:23,227 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:21:23,228 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:21:23,228 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:21:23,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:21:23,229 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:21:23,229 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:21:23,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:21:23,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:21:23,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:21:23,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:21:23,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:21:23,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:21:23,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:21:23,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:21:23,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:21:23,231 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:21:23,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:21:23,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:21:23,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:21:23,232 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 -> e74f98059c168bbea3fa809da06c6e55d25d54fc [2020-10-20 06:21:23,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:21:23,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:21:23,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:21:23,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:21:23,538 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:21:23,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2020-10-20 06:21:23,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125e82859/e11bb9a4667b43bd8d9d86cc2e114337/FLAGc7ee17266 [2020-10-20 06:21:24,276 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:21:24,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2020-10-20 06:21:24,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125e82859/e11bb9a4667b43bd8d9d86cc2e114337/FLAGc7ee17266 [2020-10-20 06:21:24,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125e82859/e11bb9a4667b43bd8d9d86cc2e114337 [2020-10-20 06:21:24,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:21:24,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:21:24,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:24,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:21:24,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:21:24,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:24" (1/1) ... [2020-10-20 06:21:24,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5095fd3e 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 06:21:24,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:21:24" (1/1) ... [2020-10-20 06:21:24,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:21:24,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:21:25,794 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 06:21:25,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@386b0f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:21:25, skipping insertion in model container [2020-10-20 06:21:25,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:21:25,796 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:21:25,800 INFO L168 Benchmark]: Toolchain (without parser) took 1289.90 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 6.6 MB in the beginning and 23.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:25,801 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 33.0 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:25,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1281.37 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 5.7 MB in the beginning and 23.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:25,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 33.0 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1281.37 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 5.7 MB in the beginning and 23.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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...