./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-1.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/loop-acceleration/simple_4-1.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 25d972cb349c5af99cfef352c3154b91effe5f65 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loop-acceleration/simple_4-1.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 25d972cb349c5af99cfef352c3154b91effe5f65 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:51:18,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:18,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:18,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:18,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:18,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:18,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:18,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:18,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:18,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:18,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:18,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:18,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:18,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:18,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:18,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:18,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:18,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:18,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:18,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:18,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:18,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:18,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:18,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:18,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:18,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:18,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:18,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:18,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:18,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:18,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:18,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:18,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:18,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:18,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:18,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:18,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:18,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:18,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:18,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:18,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:18,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:18,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:18,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:18,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:18,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:18,720 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:18,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:18,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:18,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:18,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:18,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:18,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:18,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:18,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:18,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:18,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:18,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:18,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:18,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:18,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:18,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:18,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:18,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:18,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:18,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:18,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:18,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:18,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:18,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:18,730 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 -> 25d972cb349c5af99cfef352c3154b91effe5f65 [2019-11-27 09:51:19,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:19,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:19,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:19,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:19,261 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:19,261 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 09:51:19,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c726b0fd/0f2c7dba0f134009b85a1709497e13c4/FLAG22b904fc8 [2019-11-27 09:51:20,052 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:20,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 09:51:20,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c726b0fd/0f2c7dba0f134009b85a1709497e13c4/FLAG22b904fc8 [2019-11-27 09:51:20,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c726b0fd/0f2c7dba0f134009b85a1709497e13c4 [2019-11-27 09:51:20,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:20,396 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:20,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:20,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:20,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:20,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435202c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20, skipping insertion in model container [2019-11-27 09:51:20,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:20,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:20,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:20,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:20,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:20,741 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20 WrapperNode [2019-11-27 09:51:20,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:20,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:20,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:20,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:20,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:20,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:20,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:20,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:20,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:20,886 INFO L168 Benchmark]: Toolchain (without parser) took 474.52 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:20,890 INFO L168 Benchmark]: CDTParser took 3.61 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. [2019-11-27 09:51:20,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.92 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. [2019-11-27 09:51:20,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.89 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:20,896 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 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 09:51:20,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.61 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 343.92 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 Procedure Inliner took 92.89 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.52 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 09:51:23,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:23,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:23,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:23,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:23,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:23,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:23,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:23,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:23,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:23,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:23,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:23,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:23,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:23,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:23,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:23,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:23,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:23,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:23,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:23,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:23,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:23,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:23,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:23,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:23,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:23,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:23,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:23,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:23,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:23,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:23,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:23,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:23,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:23,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:23,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:23,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:23,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:23,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:23,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:23,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:23,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:23,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:23,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:23,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:23,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:23,724 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:23,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:23,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:23,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:23,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:23,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:23,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:23,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:23,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:23,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:23,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:23,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:23,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:23,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:23,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:23,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:23,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:23,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:23,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:23,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:23,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:23,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:23,735 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:23,735 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:23,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:23,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:23,737 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 -> 25d972cb349c5af99cfef352c3154b91effe5f65 [2019-11-27 09:51:24,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:24,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:24,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:24,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:24,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:24,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 09:51:24,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b18451d/55a025a3b46a47a6b9de744f1ec3afae/FLAG024a05c1d [2019-11-27 09:51:25,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:25,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 09:51:25,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b18451d/55a025a3b46a47a6b9de744f1ec3afae/FLAG024a05c1d [2019-11-27 09:51:25,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b18451d/55a025a3b46a47a6b9de744f1ec3afae [2019-11-27 09:51:25,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:25,370 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:25,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:25,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:25,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:25,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25, skipping insertion in model container [2019-11-27 09:51:25,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:25,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:25,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:25,723 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:25,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:25,752 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:25,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25 WrapperNode [2019-11-27 09:51:25,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:25,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:25,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:25,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:25,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:25,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:25,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:25,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:25,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:25" (1/1) ... [2019-11-27 09:51:25,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:25,888 INFO L168 Benchmark]: Toolchain (without parser) took 513.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 995.5 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:25,889 INFO L168 Benchmark]: CDTParser took 1.91 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 09:51:25,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.91 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:25,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 995.5 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:25,895 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:25,906 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.91 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 378.91 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 995.5 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 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...