./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Ackermann-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/Ackermann-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/termination-crafted/Ackermann-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:58:51,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:51,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:51,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:51,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:51,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:51,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:51,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:51,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:52,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:52,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:52,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:52,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:52,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:52,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:52,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:52,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:52,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:52,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:52,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:52,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:52,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:52,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:52,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:52,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:52,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:52,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:52,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:52,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:52,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:52,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:52,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:52,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:52,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:52,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:52,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:52,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:52,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:52,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:52,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:52,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:52,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:58:52,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:52,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:52,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:52,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:52,144 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:52,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:52,145 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:52,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:52,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:52,148 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:52,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:52,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:52,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:52,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:52,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:52,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:52,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:52,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:52,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:52,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:52,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:52,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:52,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:52,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:52,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-26 17:58:52,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:52,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:52,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:52,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:52,778 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:52,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-26 17:58:52,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626f2fa61/df3129e862114aa898563569605ed75b/FLAG3b13cbfe6 [2019-11-26 17:58:53,967 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:53,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-26 17:58:53,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626f2fa61/df3129e862114aa898563569605ed75b/FLAG3b13cbfe6 [2019-11-26 17:58:54,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626f2fa61/df3129e862114aa898563569605ed75b [2019-11-26 17:58:54,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:54,036 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:54,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:54,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:54,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:54,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54, skipping insertion in model container [2019-11-26 17:58:54,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:54,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:54,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:54,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:54,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:54,654 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:54,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54 WrapperNode [2019-11-26 17:58:54,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:54,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:54,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:54,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:54,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:54" (1/1) ... [2019-11-26 17:58:54,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:54,809 INFO L168 Benchmark]: Toolchain (without parser) took 764.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:54,813 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:54,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:54,820 INFO L168 Benchmark]: Boogie Preprocessor took 142.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:54,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 614.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. 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 17:58:58,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:58,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:58,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:58,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:58,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:58,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:58,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:58,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:58,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:58,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:58,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:58,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:58,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:58,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:58,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:58,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:58,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:58,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:58,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:58,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:58,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:58,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:58,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:58,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:58,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:58,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:58,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:58,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:58,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:58,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:58,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:58,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:58,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:58,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:58,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:58,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:58,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:58,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:58,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:58,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:58,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:58:58,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:58,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:58,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:58,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:58,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:58,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:58,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:58,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:58,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:58,888 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:58,889 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:58,890 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:58,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:58,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:58,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:58,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:58,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:58,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:58,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:58,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:58,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:58,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:58,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:58,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:58,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:58,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:58,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:58,899 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-26 17:58:59,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:59,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:59,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:59,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:59,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:59,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-26 17:58:59,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2290470d4/8ba207c6729b487793565dfd508522be/FLAG82d4f6838 [2019-11-26 17:59:00,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:00,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-26 17:59:00,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2290470d4/8ba207c6729b487793565dfd508522be/FLAG82d4f6838 [2019-11-26 17:59:00,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2290470d4/8ba207c6729b487793565dfd508522be [2019-11-26 17:59:00,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:00,754 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:00,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:00,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:00,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:00,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00, skipping insertion in model container [2019-11-26 17:59:00,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:00,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:01,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:01,304 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:01,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:01,387 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:01,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01 WrapperNode [2019-11-26 17:59:01,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:01,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:01,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:01,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:01,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:01" (1/1) ... [2019-11-26 17:59:01,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:01,577 INFO L168 Benchmark]: Toolchain (without parser) took 817.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:01,580 INFO L168 Benchmark]: CDTParser took 0.82 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 17:59:01,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.76 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 17:59:01,588 INFO L168 Benchmark]: Boogie Preprocessor took 177.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:01,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 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 630.76 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. * Boogie Preprocessor took 177.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...