./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c 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/lis_unsafe.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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ............................................................................................................................. 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/lis_unsafe.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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:04:49,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:04:49,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:04:49,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:04:49,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:04:49,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:04:49,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:04:49,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:04:49,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:04:49,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:04:49,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:04:49,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:04:49,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:04:49,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:04:49,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:04:49,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:04:49,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:04:49,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:04:49,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:04:49,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:04:49,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:04:49,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:04:49,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:04:49,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:04:49,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:04:49,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:04:49,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:04:49,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:04:49,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:04:49,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:04:49,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:04:49,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:04:49,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:04:49,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:04:49,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:04:49,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:04:49,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:04:49,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:04:49,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:04:49,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:04:49,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:04:49,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:04:49,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:04:49,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:04:49,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:04:49,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:04:49,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:04:49,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:04:49,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:04:49,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:04:49,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:04:49,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:04:49,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:04:49,986 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:04:49,987 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:04:49,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:04:49,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:04:49,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:04:49,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:04:49,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:04:49,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:04:49,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:04:49,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:04:49,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:04:49,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:49,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:04:49,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:04:49,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:04:49,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:04:49,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:04:49,991 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 -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2019-11-28 20:04:50,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:04:50,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:04:50,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:04:50,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:04:50,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:04:50,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 20:04:50,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa01253c/1716b881bc01442da1dc4b9553495022/FLAG9da2e0cfe [2019-11-28 20:04:50,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:04:50,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 20:04:51,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa01253c/1716b881bc01442da1dc4b9553495022/FLAG9da2e0cfe [2019-11-28 20:04:51,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa01253c/1716b881bc01442da1dc4b9553495022 [2019-11-28 20:04:51,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:04:51,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:04:51,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:51,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:04:51,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:04:51,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:51" (1/1) ... [2019-11-28 20:04:51,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:51, skipping insertion in model container [2019-11-28 20:04:51,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:51" (1/1) ... [2019-11-28 20:04:51,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:04:51,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:51,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:51,777 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 20:04:51,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5feffc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:51, skipping insertion in model container [2019-11-28 20:04:51,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:51,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:04:51,783 INFO L168 Benchmark]: Toolchain (without parser) took 544.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:51,784 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:04:51,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:51,788 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 20:04:53,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:04:53,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:04:53,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:04:53,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:04:53,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:04:53,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:04:53,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:04:53,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:04:53,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:04:53,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:04:53,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:04:53,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:04:53,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:04:53,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:04:53,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:04:53,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:04:53,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:04:53,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:04:53,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:04:53,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:04:53,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:04:53,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:04:53,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:04:53,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:04:53,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:04:53,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:04:53,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:04:53,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:04:53,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:04:53,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:04:53,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:04:53,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:04:53,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:04:53,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:04:53,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:04:53,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:04:53,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:04:53,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:04:53,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:04:53,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:04:53,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:04:53,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:04:53,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:04:53,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:04:53,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:04:53,809 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:04:53,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:04:53,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:04:53,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:04:53,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:04:53,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:04:53,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:04:53,811 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:04:53,811 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:04:53,811 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:04:53,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:04:53,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:04:53,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:04:53,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:04:53,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:04:53,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:04:53,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:04:53,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:04:53,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:04:53,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:04:53,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:53,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:04:53,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:04:53,816 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:04:53,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:04:53,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:04:53,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:04:53,817 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 -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2019-11-28 20:04:54,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:04:54,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:04:54,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:04:54,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:04:54,177 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:04:54,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 20:04:54,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dda2cfc/230f97d58f7a473ea033d0cf3f6ac35a/FLAG4b9473da6 [2019-11-28 20:04:54,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:04:54,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 20:04:54,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dda2cfc/230f97d58f7a473ea033d0cf3f6ac35a/FLAG4b9473da6 [2019-11-28 20:04:55,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dda2cfc/230f97d58f7a473ea033d0cf3f6ac35a [2019-11-28 20:04:55,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:04:55,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:04:55,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:55,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:04:55,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:04:55,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3122eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55, skipping insertion in model container [2019-11-28 20:04:55,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:04:55,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:55,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:55,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 20:04:55,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:55,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:55,645 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:04:55,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:55,792 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:04:55,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55 WrapperNode [2019-11-28 20:04:55,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:55,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:04:55,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:04:55,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:04:55,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... [2019-11-28 20:04:55,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:04:55,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:04:55,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:04:55,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:04:55,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:04:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:04:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:04:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:04:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:04:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:04:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:04:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:04:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lis [2019-11-28 20:04:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:04:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:04:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:04:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:04:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:04:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:04:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:04:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:04:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:04:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:04:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:04:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:04:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:04:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:04:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:04:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:04:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:04:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:04:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:04:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:04:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:04:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:04:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:04:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:04:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:04:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:04:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:04:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:04:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:04:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:04:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:04:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:04:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:04:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:04:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:04:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:04:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:04:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:04:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:04:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:04:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:04:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:04:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:04:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:04:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:04:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:04:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:04:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:04:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:04:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:04:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:04:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:04:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:04:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:04:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:04:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:04:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:04:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:04:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:04:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:04:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:04:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:04:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:04:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:04:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure lis [2019-11-28 20:04:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 20:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 20:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:04:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:04:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:04:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:04:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:04:56,803 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:04:56,803 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 20:04:56,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:56 BoogieIcfgContainer [2019-11-28 20:04:56,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:04:56,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:04:56,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:04:56,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:04:56,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:04:55" (1/3) ... [2019-11-28 20:04:56,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4ea502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:04:56, skipping insertion in model container [2019-11-28 20:04:56,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:55" (2/3) ... [2019-11-28 20:04:56,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4ea502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:04:56, skipping insertion in model container [2019-11-28 20:04:56,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:56" (3/3) ... [2019-11-28 20:04:56,813 INFO L109 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2019-11-28 20:04:56,824 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:04:56,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-11-28 20:04:56,849 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-11-28 20:04:56,873 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:04:56,873 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:04:56,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:04:56,874 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:04:56,874 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:04:56,874 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:04:56,874 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:04:56,874 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:04:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-11-28 20:04:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:56,913 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:56,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:56,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:04:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:56,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times [2019-11-28 20:04:56,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:56,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554612058] [2019-11-28 20:04:56,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:04:57,098 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:04:57,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:04:57,212 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-28 20:04:57,213 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2019-11-28 20:04:57,214 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:57,225 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:57,226 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:04:57,228 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-28 20:04:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:57,261 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:04:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:57,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554612058] [2019-11-28 20:04:57,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:04:57,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 20:04:57,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734894109] [2019-11-28 20:04:57,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:04:57,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:04:57,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:04:57,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:04:57,318 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2019-11-28 20:04:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:04:57,592 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2019-11-28 20:04:57,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:04:57,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 20:04:57,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:04:57,604 INFO L225 Difference]: With dead ends: 71 [2019-11-28 20:04:57,605 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 20:04:57,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:04:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 20:04:57,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 20:04:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 20:04:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-11-28 20:04:57,645 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11 [2019-11-28 20:04:57,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:04:57,645 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2019-11-28 20:04:57,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:04:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2019-11-28 20:04:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:57,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:57,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:57,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:04:57,853 INFO L410 AbstractCegarLoop]: === Iteration 2 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:04:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:57,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times [2019-11-28 20:04:57,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:57,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774638546] [2019-11-28 20:04:57,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:04:58,013 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:04:58,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:04:58,048 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_31|], 1=[|v_#valid_47|]} [2019-11-28 20:04:58,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:04:58,062 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 20:04:58,063 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:58,084 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:58,095 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 20:04:58,097 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:58,111 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:58,113 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:04:58,113 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:21 [2019-11-28 20:04:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:58,153 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:04:58,313 INFO L430 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 20:04:58,323 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 20:04:58,324 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:58,334 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:58,338 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 20:04:58,339 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:58,351 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:58,352 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:04:58,353 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-28 20:04:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:58,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774638546] [2019-11-28 20:04:58,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:04:58,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-28 20:04:58,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522176340] [2019-11-28 20:04:58,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:04:58,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:04:58,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:04:58,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:04:58,419 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 8 states. [2019-11-28 20:04:59,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:04:59,573 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2019-11-28 20:04:59,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:04:59,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 20:04:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:04:59,580 INFO L225 Difference]: With dead ends: 166 [2019-11-28 20:04:59,580 INFO L226 Difference]: Without dead ends: 166 [2019-11-28 20:04:59,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:04:59,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-28 20:04:59,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2019-11-28 20:04:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 20:04:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2019-11-28 20:04:59,602 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 11 [2019-11-28 20:04:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:04:59,603 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2019-11-28 20:04:59,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:04:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2019-11-28 20:04:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:59,604 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:59,604 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:59,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:04:59,816 INFO L410 AbstractCegarLoop]: === Iteration 3 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:04:59,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:59,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times [2019-11-28 20:04:59,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:59,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83775552] [2019-11-28 20:04:59,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:04:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:05:00,022 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:05:00,023 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:05:00,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:05:00,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:05:00 BoogieIcfgContainer [2019-11-28 20:05:00,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:05:00,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:05:00,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:05:00,260 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:05:00,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:56" (3/4) ... [2019-11-28 20:05:00,264 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:05:00,346 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:05:00,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:05:00,349 INFO L168 Benchmark]: Toolchain (without parser) took 5256.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 961.7 MB in the beginning and 870.2 MB in the end (delta: 91.5 MB). Peak memory consumption was 236.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,350 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:05:00,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,351 INFO L168 Benchmark]: Boogie Preprocessor took 107.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,352 INFO L168 Benchmark]: RCFGBuilder took 901.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,354 INFO L168 Benchmark]: TraceAbstraction took 3453.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,361 INFO L168 Benchmark]: Witness Printer took 87.14 ms. Allocated memory is still 1.2 GB. Free memory was 876.8 MB in the beginning and 870.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:05:00,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 702.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 901.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3453.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Witness Printer took 87.14 ms. Allocated memory is still 1.2 GB. Free memory was 876.8 MB in the beginning and 870.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 518]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) VAL [\old(N)=1073741824, a={7:8}] [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L518] best[i] = 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 29 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 244 SDslu, 269 SDs, 0 SdLazy, 186 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 4 QuantifiedInterpolants, 1960 SizeOfPredicates, 10 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...