./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/array-memsafety/openbsd_cstrlen-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash b812e7d14425eea3a24125f5e2db40eadfc6c14c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/array-memsafety/openbsd_cstrlen-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash b812e7d14425eea3a24125f5e2db40eadfc6c14c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:55:52,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:55:52,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:55:52,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:55:52,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:55:52,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:55:52,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:55:52,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:55:52,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:55:52,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:55:52,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:55:52,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:55:52,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:55:52,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:55:52,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:55:52,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:55:52,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:55:52,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:55:52,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:55:52,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:55:52,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:55:52,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:55:52,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:55:52,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:55:52,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:55:52,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:55:52,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:55:52,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:55:52,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:55:52,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:55:52,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:55:52,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:55:52,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:55:52,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:55:52,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:55:52,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:55:52,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:55:52,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:55:52,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:55:52,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:55:52,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:55:52,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:55:52,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:55:52,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:55:52,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:55:52,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:55:52,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:55:52,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:55:52,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:55:52,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:55:52,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:55:52,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:55:52,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:55:52,854 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:55:52,854 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:55:52,855 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:55:52,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:55:52,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:55:52,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:55:52,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:55:52,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:55:52,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:55:52,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:55:52,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:55:52,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:55:52,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:55:52,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:55:52,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:55:52,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:55:52,865 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b812e7d14425eea3a24125f5e2db40eadfc6c14c [2019-11-26 17:55:53,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:55:53,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:55:53,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:55:53,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:55:53,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:55:53,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-26 17:55:53,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610775a4/491f5eab58564def8f5d235a713466c5/FLAG4894cdbd8 [2019-11-26 17:55:54,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:55:54,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-26 17:55:54,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610775a4/491f5eab58564def8f5d235a713466c5/FLAG4894cdbd8 [2019-11-26 17:55:54,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610775a4/491f5eab58564def8f5d235a713466c5 [2019-11-26 17:55:54,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:55:54,982 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:55:54,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:54,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:55:54,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:55:54,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:54" (1/1) ... [2019-11-26 17:55:55,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:55:55, skipping insertion in model container [2019-11-26 17:55:55,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:54" (1/1) ... [2019-11-26 17:55:55,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:55:55,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:55:55,503 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:55:55,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f0d6273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:55:55, skipping insertion in model container [2019-11-26 17:55:55,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:55,505 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:55:55,512 INFO L168 Benchmark]: Toolchain (without parser) took 524.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:55:55,513 INFO L168 Benchmark]: CDTParser took 0.77 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 17:55:55,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:55:55,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 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 518.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 128]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:55:59,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:55:59,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:55:59,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:55:59,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:55:59,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:55:59,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:55:59,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:55:59,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:55:59,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:55:59,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:55:59,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:55:59,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:55:59,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:55:59,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:55:59,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:55:59,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:55:59,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:55:59,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:55:59,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:55:59,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:55:59,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:55:59,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:55:59,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:55:59,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:55:59,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:55:59,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:55:59,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:55:59,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:55:59,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:55:59,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:55:59,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:55:59,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:55:59,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:55:59,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:55:59,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:55:59,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:55:59,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:55:59,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:55:59,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:55:59,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:55:59,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:55:59,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:55:59,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:55:59,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:55:59,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:55:59,645 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:55:59,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:55:59,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:55:59,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:55:59,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:55:59,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:55:59,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:55:59,653 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:55:59,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:55:59,653 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:55:59,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:55:59,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:55:59,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:55:59,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:55:59,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:55:59,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:55:59,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:55:59,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:55:59,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:55:59,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:55:59,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:55:59,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:55:59,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:55:59,666 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:55:59,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:55:59,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:55:59,669 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b812e7d14425eea3a24125f5e2db40eadfc6c14c [2019-11-26 17:56:00,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:56:00,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:56:00,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:56:00,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:56:00,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:56:00,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-26 17:56:00,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1de26d4/4331ec12f9bb42acbd1b7f535b1e99d9/FLAG5b8259f67 [2019-11-26 17:56:01,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:56:01,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-26 17:56:01,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1de26d4/4331ec12f9bb42acbd1b7f535b1e99d9/FLAG5b8259f67 [2019-11-26 17:56:01,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1de26d4/4331ec12f9bb42acbd1b7f535b1e99d9 [2019-11-26 17:56:01,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:56:01,829 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:56:01,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:01,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:56:01,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:56:01,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:01" (1/1) ... [2019-11-26 17:56:01,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:01, skipping insertion in model container [2019-11-26 17:56:01,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:01" (1/1) ... [2019-11-26 17:56:01,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:56:01,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:56:02,276 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:56:02,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f653a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:02, skipping insertion in model container [2019-11-26 17:56:02,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:02,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:56:02,289 INFO L168 Benchmark]: Toolchain (without parser) took 458.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:02,290 INFO L168 Benchmark]: CDTParser took 2.44 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 17:56:02,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:02,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 450.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 128]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...