./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ifeqn4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/array-fpi/ifeqn4f.c -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 e94f3026ebecc74fab5a8ed6ab8b3cbfd7d45765 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/array-fpi/ifeqn4f.c -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 e94f3026ebecc74fab5a8ed6ab8b3cbfd7d45765 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:18:15,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:18:15,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:18:15,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:18:15,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:18:15,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:18:15,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:18:15,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:18:15,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:18:15,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:18:15,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:18:15,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:18:15,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:18:15,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:18:15,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:18:15,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:18:15,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:18:15,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:18:15,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:18:15,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:18:15,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:18:15,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:18:15,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:18:15,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:18:15,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:18:15,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:18:15,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:18:15,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:18:15,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:18:15,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:18:15,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:18:15,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:18:15,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:18:15,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:18:15,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:18:15,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:18:15,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:18:15,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:18:15,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:18:15,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:18:15,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:18:15,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:18:15,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:18:15,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:18:15,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:18:15,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:18:15,771 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:18:15,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:18:15,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:18:15,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:18:15,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:18:15,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:18:15,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:18:15,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:18:15,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:18:15,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:18:15,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:18:15,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:18:15,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:18:15,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:18:15,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:18:15,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:18:15,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:18:15,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:18:15,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:18:15,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:18:15,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:18:15,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:18:15,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:18:15,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:18:15,790 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 -> e94f3026ebecc74fab5a8ed6ab8b3cbfd7d45765 [2019-11-27 09:18:16,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:18:16,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:18:16,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:18:16,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:18:16,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:18:16,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn4f.c [2019-11-27 09:18:16,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce665d9f/fee530cc51664478a1f62f4007b3208b/FLAGc35d3396b [2019-11-27 09:18:17,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:18:17,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn4f.c [2019-11-27 09:18:17,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce665d9f/fee530cc51664478a1f62f4007b3208b/FLAGc35d3396b [2019-11-27 09:18:17,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce665d9f/fee530cc51664478a1f62f4007b3208b [2019-11-27 09:18:17,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:18:17,854 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:18:17,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:17,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:18:17,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:18:17,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:17" (1/1) ... [2019-11-27 09:18:17,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75988438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:17, skipping insertion in model container [2019-11-27 09:18:17,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:17" (1/1) ... [2019-11-27 09:18:17,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:18:17,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:18:18,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:18,440 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:18:18,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:18,582 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:18:18,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18 WrapperNode [2019-11-27 09:18:18,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:18,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:18,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:18:18,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:18:18,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:18,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:18:18,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:18:18,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:18:18,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:18" (1/1) ... [2019-11-27 09:18:18,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:18:18,732 INFO L168 Benchmark]: Toolchain (without parser) took 872.12 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:18,733 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-27 09:18:18,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.40 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 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:18,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.16 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:18,739 INFO L168 Benchmark]: Boogie Preprocessor took 59.10 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. [2019-11-27 09:18:18,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 741.40 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 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 63.16 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.10 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:18:22,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:18:22,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:18:22,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:18:22,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:18:22,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:18:22,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:18:22,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:18:22,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:18:22,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:18:22,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:18:22,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:18:22,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:18:22,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:18:22,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:18:22,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:18:22,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:18:22,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:18:22,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:18:22,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:18:22,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:18:22,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:18:22,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:18:22,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:18:22,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:18:22,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:18:22,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:18:22,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:18:22,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:18:22,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:18:22,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:18:22,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:18:22,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:18:22,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:18:22,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:18:22,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:18:22,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:18:22,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:18:22,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:18:22,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:18:22,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:18:22,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:18:23,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:18:23,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:18:23,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:18:23,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:18:23,029 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:18:23,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:18:23,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:18:23,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:18:23,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:18:23,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:18:23,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:18:23,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:18:23,036 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:18:23,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:18:23,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:18:23,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:18:23,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:18:23,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:18:23,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:18:23,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:18:23,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:18:23,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:18:23,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:18:23,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:18:23,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:18:23,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:18:23,046 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:18:23,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:18:23,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:18:23,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:18:23,048 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 -> e94f3026ebecc74fab5a8ed6ab8b3cbfd7d45765 [2019-11-27 09:18:23,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:18:23,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:18:23,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:18:23,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:18:23,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:18:23,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn4f.c [2019-11-27 09:18:23,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d9afacd/9648c59695cf4e28a010029e37b64594/FLAGa3b84770c [2019-11-27 09:18:25,015 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:18:25,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn4f.c [2019-11-27 09:18:25,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d9afacd/9648c59695cf4e28a010029e37b64594/FLAGa3b84770c [2019-11-27 09:18:25,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d9afacd/9648c59695cf4e28a010029e37b64594 [2019-11-27 09:18:25,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:18:25,089 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:18:25,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:25,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:18:25,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:18:25,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25, skipping insertion in model container [2019-11-27 09:18:25,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:18:25,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:18:25,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:25,635 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:18:25,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:25,820 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:18:25,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25 WrapperNode [2019-11-27 09:18:25,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:25,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:25,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:18:25,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:18:25,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:25,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:18:25,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:18:25,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:18:25,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:25" (1/1) ... [2019-11-27 09:18:25,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:18:25,998 INFO L168 Benchmark]: Toolchain (without parser) took 902.09 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:25,999 INFO L168 Benchmark]: CDTParser took 1.66 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. [2019-11-27 09:18:26,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.91 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 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:26,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:26,005 INFO L168 Benchmark]: Boogie Preprocessor took 73.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:26,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 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 727.91 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 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 85.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...