./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/string-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/AutomizerReach.xml -i ../sv-benchmarks/c/loops/string-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77cd31699320cd40da64f32a92959020d19291bd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerReach.xml -i ../sv-benchmarks/c/loops/string-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77cd31699320cd40da64f32a92959020d19291bd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:33,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:33,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:33,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:33,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:33,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:33,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:33,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:33,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:33,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:33,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:33,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:33,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:33,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:33,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:33,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:33,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:33,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:33,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:33,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:33,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:33,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:33,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:33,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:33,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:33,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:33,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:33,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:33,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:33,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:33,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:33,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:33,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:33,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:33,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:33,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:33,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:33,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:33,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:33,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:33,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:33,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:33,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:33,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:33,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:33,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:33,763 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:33,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:33,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:33,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:33,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:33,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:33,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:33,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:33,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:33,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:33,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:33,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:33,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:33,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:33,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:33,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:33,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:33,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:33,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:33,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:33,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:33,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:33,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:33,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:33,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:33,781 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 ! call(__VERIFIER_error())) ) 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 -> 77cd31699320cd40da64f32a92959020d19291bd [2019-11-24 21:09:34,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:34,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:34,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:34,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:34,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:34,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-2.i [2019-11-24 21:09:34,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a55749f/40dfa8bdeb4649beb6a76e85ad7f501e/FLAG87cc61377 [2019-11-24 21:09:35,678 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:35,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-2.i [2019-11-24 21:09:35,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a55749f/40dfa8bdeb4649beb6a76e85ad7f501e/FLAG87cc61377 [2019-11-24 21:09:35,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a55749f/40dfa8bdeb4649beb6a76e85ad7f501e [2019-11-24 21:09:35,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:35,749 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:35,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:35,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:35,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:35,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35, skipping insertion in model container [2019-11-24 21:09:35,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:35,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:36,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:36,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:36,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:36,604 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:36,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36 WrapperNode [2019-11-24 21:09:36,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:36,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:36,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:36,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:36,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:36,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:36,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:36,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:36,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:36" (1/1) ... [2019-11-24 21:09:36,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:36,834 INFO L168 Benchmark]: Toolchain (without parser) took 1074.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:36,844 INFO L168 Benchmark]: CDTParser took 0.98 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. [2019-11-24 21:09:36,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:36,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.19 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:36,856 INFO L168 Benchmark]: Boogie Preprocessor took 75.23 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:36,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 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 855.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.19 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.23 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. 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 0.1.24-32f2683 [2019-11-24 21:09:41,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:41,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:41,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:41,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:41,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:41,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:41,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:41,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:41,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:41,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:41,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:41,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:41,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:41,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:41,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:41,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:41,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:41,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:41,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:41,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:41,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:41,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:41,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:41,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:41,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:41,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:41,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:41,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:41,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:41,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:41,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:41,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:41,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:41,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:41,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:41,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:41,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:41,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:41,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:41,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:41,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:41,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:41,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:41,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:41,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:41,287 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:41,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:41,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:41,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:41,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:41,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:41,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:41,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:41,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:41,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:41,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:41,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:41,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:41,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:41,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:41,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:41,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:41,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:41,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:41,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:41,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:41,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:41,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:41,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:41,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:41,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:41,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:41,306 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 ! call(__VERIFIER_error())) ) 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 -> 77cd31699320cd40da64f32a92959020d19291bd [2019-11-24 21:09:41,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:41,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:42,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:42,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:42,011 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:42,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-2.i [2019-11-24 21:09:42,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef261d80a/df35115755cc4cee9ed66cd70ddb5885/FLAG3dcaf6b17 [2019-11-24 21:09:43,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:43,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-2.i [2019-11-24 21:09:43,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef261d80a/df35115755cc4cee9ed66cd70ddb5885/FLAG3dcaf6b17 [2019-11-24 21:09:43,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef261d80a/df35115755cc4cee9ed66cd70ddb5885 [2019-11-24 21:09:43,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:43,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:43,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:43,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:43,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:43,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:43" (1/1) ... [2019-11-24 21:09:43,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:43, skipping insertion in model container [2019-11-24 21:09:43,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:43" (1/1) ... [2019-11-24 21:09:43,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:43,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:43,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:44,012 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:44,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:44,297 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:44,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44 WrapperNode [2019-11-24 21:09:44,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:44,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:44,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:44,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:44,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:44,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:44,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:44,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:44,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:44" (1/1) ... [2019-11-24 21:09:44,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:44,570 INFO L168 Benchmark]: Toolchain (without parser) took 1196.94 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:44,573 INFO L168 Benchmark]: CDTParser took 2.31 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. [2019-11-24 21:09:44,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.71 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. [2019-11-24 21:09:44,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:44,580 INFO L168 Benchmark]: Boogie Preprocessor took 107.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:44,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.31 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 930.71 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. * Boogie Procedure Inliner took 147.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...