./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/easy2-2.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/easy2-2.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 75d609d205f56e3164255114b6f6d5769a029995 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/easy2-2.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 75d609d205f56e3164255114b6f6d5769a029995 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:59:19,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:19,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:19,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:19,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:19,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:19,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:19,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:19,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:19,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:19,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:19,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:19,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:19,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:19,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:19,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:19,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:19,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:19,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:19,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:19,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:19,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:19,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:19,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:19,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:19,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:19,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:19,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:19,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:19,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:19,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:19,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:19,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:19,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:19,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:19,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:19,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:19,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:19,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:19,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:19,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:19,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:59:19,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:19,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:19,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:19,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:19,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:19,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:19,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:19,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:19,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:19,857 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:19,858 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:19,858 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:19,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:19,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:19,859 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:19,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:19,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:19,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:19,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:19,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:19,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:19,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:19,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:59:19,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:59:19,864 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 -> 75d609d205f56e3164255114b6f6d5769a029995 [2019-11-26 17:59:20,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:20,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:20,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:20,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:20,371 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:20,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-26 17:59:20,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb11e5704/c022cdc5584c472184ecdf7a33d0f3de/FLAG68c91438d [2019-11-26 17:59:21,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:21,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-26 17:59:21,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb11e5704/c022cdc5584c472184ecdf7a33d0f3de/FLAG68c91438d [2019-11-26 17:59:21,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb11e5704/c022cdc5584c472184ecdf7a33d0f3de [2019-11-26 17:59:21,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:21,537 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:21,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:21,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:21,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:21,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21, skipping insertion in model container [2019-11-26 17:59:21,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:21,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:21,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:21,849 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:21,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:21,881 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:21,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21 WrapperNode [2019-11-26 17:59:21,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:21,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:21,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:21,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:21,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:21" (1/1) ... [2019-11-26 17:59:21,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:21,995 INFO L168 Benchmark]: Toolchain (without parser) took 441.55 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:21,997 INFO L168 Benchmark]: CDTParser took 0.20 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 17:59:21,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.79 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 17:59:22,003 INFO L168 Benchmark]: Boogie Preprocessor took 93.65 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 991.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:22,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 341.79 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 93.65 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 991.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 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 17:59:24,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:24,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:24,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:24,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:24,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:24,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:24,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:24,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:24,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:24,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:24,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:24,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:24,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:24,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:24,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:24,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:24,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:24,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:24,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:24,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:24,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:24,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:24,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:24,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:24,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:24,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:24,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:24,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:24,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:24,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:24,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:24,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:24,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:24,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:24,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:24,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:24,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:24,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:24,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:24,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:24,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:24,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:24,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:24,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:24,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:24,842 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:24,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:24,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:24,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:24,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:24,843 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:24,844 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:24,845 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:24,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:24,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:24,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:24,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:24,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:24,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:24,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:24,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:24,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:24,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:24,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:24,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:24,851 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:24,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:24,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:24,852 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 -> 75d609d205f56e3164255114b6f6d5769a029995 [2019-11-26 17:59:25,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:25,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:25,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:25,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:25,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:25,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-26 17:59:25,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6742e04c8/2d1d32a632cc4cfe8127f6f0ca2ab323/FLAG8ade892e0 [2019-11-26 17:59:26,170 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:26,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-26 17:59:26,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6742e04c8/2d1d32a632cc4cfe8127f6f0ca2ab323/FLAG8ade892e0 [2019-11-26 17:59:26,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6742e04c8/2d1d32a632cc4cfe8127f6f0ca2ab323 [2019-11-26 17:59:26,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:26,536 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:26,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:26,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:26,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:26,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:26,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58038550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26, skipping insertion in model container [2019-11-26 17:59:26,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:26,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:26,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:26,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:26,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:26,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:26,938 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:26,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26 WrapperNode [2019-11-26 17:59:26,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:26,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:26,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:26,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:27,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:26" (1/1) ... [2019-11-26 17:59:27,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:27,050 INFO L168 Benchmark]: Toolchain (without parser) took 509.96 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 995.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:27,052 INFO L168 Benchmark]: CDTParser took 0.61 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 17:59:27,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.73 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 17:59:27,054 INFO L168 Benchmark]: Boogie Preprocessor took 103.69 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:27,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 398.73 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 103.69 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...