./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.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/cstrncat-alloca-2.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 170d05f666fe960395aa4fb943b7fdfa4284d519 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/cstrncat-alloca-2.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 170d05f666fe960395aa4fb943b7fdfa4284d519 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:55:38,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:55:38,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:55:38,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:55:38,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:55:38,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:55:38,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:55:38,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:55:38,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:55:38,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:55:38,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:55:38,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:55:38,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:55:38,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:55:38,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:55:38,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:55:38,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:55:38,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:55:38,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:55:38,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:55:38,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:55:38,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:55:38,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:55:38,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:55:38,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:55:38,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:55:38,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:55:38,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:55:38,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:55:38,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:55:38,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:55:38,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:55:38,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:55:38,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:55:38,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:55:38,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:55:38,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:55:38,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:55:38,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:55:38,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:55:38,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:55:38,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:55:38,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:55:38,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:55:38,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:55:38,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:55:38,995 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:55:38,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:55:38,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:55:38,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:55:38,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:55:38,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:55:39,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:55:39,004 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:55:39,004 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:55:39,005 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:55:39,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:55:39,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:55:39,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:55:39,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:55:39,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:55:39,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:55:39,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:55:39,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:55:39,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:55:39,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:55:39,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:55:39,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:55:39,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:55:39,014 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 -> 170d05f666fe960395aa4fb943b7fdfa4284d519 [2019-11-26 17:55:39,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:55:39,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:55:39,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:55:39,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:55:39,615 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:55:39,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-26 17:55:39,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14fee5f/fb554fd439754f5090a1346b3bcee7e6/FLAG92ff014c5 [2019-11-26 17:55:40,991 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:55:40,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-26 17:55:41,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14fee5f/fb554fd439754f5090a1346b3bcee7e6/FLAG92ff014c5 [2019-11-26 17:55:41,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14fee5f/fb554fd439754f5090a1346b3bcee7e6 [2019-11-26 17:55:41,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:55:41,081 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:55:41,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:41,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:55:41,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:55:41,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:41" (1/1) ... [2019-11-26 17:55:41,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:55:41, skipping insertion in model container [2019-11-26 17:55:41,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:41" (1/1) ... [2019-11-26 17:55:41,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:55:41,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:55:41,597 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:55:41,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30987d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:55:41, skipping insertion in model container [2019-11-26 17:55:41,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:41,600 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:55:41,617 INFO L168 Benchmark]: Toolchain (without parser) took 521.03 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 17:55:41,619 INFO L168 Benchmark]: CDTParser took 1.82 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 17:55:41,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.15 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 17:55:41,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 513.15 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:55:45,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:55:45,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:55:45,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:55:45,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:55:45,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:55:45,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:55:45,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:55:45,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:55:45,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:55:45,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:55:45,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:55:45,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:55:45,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:55:45,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:55:45,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:55:45,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:55:45,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:55:45,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:55:45,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:55:45,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:55:45,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:55:45,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:55:45,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:55:45,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:55:45,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:55:45,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:55:45,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:55:45,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:55:45,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:55:45,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:55:45,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:55:45,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:55:45,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:55:45,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:55:45,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:55:45,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:55:45,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:55:45,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:55:45,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:55:45,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:55:45,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:55:45,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:55:45,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:55:45,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:55:45,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:55:45,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:55:45,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:55:45,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:55:45,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:55:45,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:55:45,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:55:45,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:55:45,714 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:55:45,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:55:45,717 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:55:45,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:55:45,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:55:45,719 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:55:45,719 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:55:45,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:55:45,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:55:45,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:55:45,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:55:45,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:55:45,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:55:45,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:55:45,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:55:45,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:55:45,727 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:55:45,727 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:55:45,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:55:45,729 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 -> 170d05f666fe960395aa4fb943b7fdfa4284d519 [2019-11-26 17:55:46,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:55:46,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:55:46,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:55:46,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:55:46,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:55:46,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-26 17:55:46,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f59a1d/7f405eabe22a487faf50885995b0c610/FLAGabfd4de93 [2019-11-26 17:55:47,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:55:47,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-26 17:55:47,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f59a1d/7f405eabe22a487faf50885995b0c610/FLAGabfd4de93 [2019-11-26 17:55:47,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f59a1d/7f405eabe22a487faf50885995b0c610 [2019-11-26 17:55:47,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:55:47,884 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:55:47,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:47,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:55:47,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:55:47,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:47" (1/1) ... [2019-11-26 17:55:47,913 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 05:55:47, skipping insertion in model container [2019-11-26 17:55:47,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:55:47" (1/1) ... [2019-11-26 17:55:47,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:55:48,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:55:48,348 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:55:48,349 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 05:55:48, skipping insertion in model container [2019-11-26 17:55:48,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:55:48,351 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:55:48,363 INFO L168 Benchmark]: Toolchain (without parser) took 468.48 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 17:55:48,367 INFO L168 Benchmark]: CDTParser took 0.43 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 17:55:48,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.16 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 17:55:48,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 457.16 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...