./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.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 316899e3244ab1144db06dfec912ba02d5aaddd7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-floats-scientific-comp/loop1-1.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 316899e3244ab1144db06dfec912ba02d5aaddd7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:01,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:01,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:01,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:01,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:01,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:01,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:01,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:01,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:01,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:01,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:01,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:01,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:01,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:01,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:01,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:01,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:01,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:01,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:01,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:01,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:01,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:01,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:01,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:01,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:01,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:01,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:01,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:01,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:01,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:01,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:01,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:01,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:01,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:01,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:01,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:01,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:01,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:01,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:01,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:01,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:01,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:01,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:01,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:01,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:01,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:01,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:01,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:01,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:01,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:01,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:01,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:01,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:01,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:01,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:01,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:01,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:01,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:01,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:01,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:01,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:01,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:01,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:01,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:01,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:01,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:01,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:01,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:01,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:01,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:01,975 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 -> 316899e3244ab1144db06dfec912ba02d5aaddd7 [2019-11-26 17:01:02,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:02,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:02,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:02,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:02,566 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:02,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-26 17:01:02,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14bc89cb/51ff3ce31d2d49b0809a5c3f3c97145b/FLAG7e719305e [2019-11-26 17:01:03,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:03,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-26 17:01:03,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14bc89cb/51ff3ce31d2d49b0809a5c3f3c97145b/FLAG7e719305e [2019-11-26 17:01:03,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14bc89cb/51ff3ce31d2d49b0809a5c3f3c97145b [2019-11-26 17:01:03,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:03,876 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:03,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:03,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:03,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:03,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:03" (1/1) ... [2019-11-26 17:01:03,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:03, skipping insertion in model container [2019-11-26 17:01:03,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:03" (1/1) ... [2019-11-26 17:01:03,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:03,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:04,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:04,435 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:04,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:04,511 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:04,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04 WrapperNode [2019-11-26 17:01:04,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:04,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:04,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:04,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:04,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:04,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:04,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:04,759 INFO L168 Benchmark]: Toolchain (without parser) took 876.70 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. [2019-11-26 17:01:04,762 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:04,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:04,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.24 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. [2019-11-26 17:01:04,773 INFO L168 Benchmark]: Boogie Preprocessor took 58.78 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. [2019-11-26 17:01:04,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 640.61 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 166.24 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 58.78 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 0.1.24-025d5a2 [2019-11-26 17:01:08,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:08,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:08,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:08,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:08,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:08,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:08,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:08,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:08,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:08,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:08,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:08,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:08,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:08,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:08,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:08,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:08,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:08,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:08,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:08,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:08,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:08,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:08,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:08,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:08,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:08,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:08,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:08,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:08,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:08,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:08,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:08,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:08,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:08,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:08,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:08,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:08,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:08,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:08,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:08,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:08,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:08,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:08,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:08,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:08,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:08,906 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:08,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:08,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:08,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:08,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:08,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:08,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:08,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:08,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:08,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:08,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:08,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:08,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:08,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:08,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:08,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:08,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:08,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:08,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:08,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:08,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:08,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:08,920 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:08,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:08,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:08,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:08,924 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 -> 316899e3244ab1144db06dfec912ba02d5aaddd7 [2019-11-26 17:01:09,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:09,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:09,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:09,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:09,545 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:09,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-26 17:01:09,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acd9d71/ae0c006584e84230b2470710229a5243/FLAGb1ca892d2 [2019-11-26 17:01:10,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:10,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-26 17:01:10,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acd9d71/ae0c006584e84230b2470710229a5243/FLAGb1ca892d2 [2019-11-26 17:01:10,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acd9d71/ae0c006584e84230b2470710229a5243 [2019-11-26 17:01:10,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:10,854 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:10,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:10,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:10,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:10,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10, skipping insertion in model container [2019-11-26 17:01:10,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:10,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:11,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:11,355 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:11,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:11,405 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:11,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11 WrapperNode [2019-11-26 17:01:11,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:11,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:11,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:11,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:11,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:11,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:11,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:11,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:11,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:11,674 INFO L168 Benchmark]: Toolchain (without parser) took 815.31 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. [2019-11-26 17:01:11,689 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:11,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.15 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.75 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,697 INFO L168 Benchmark]: Boogie Preprocessor took 84.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 553.15 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 161.75 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...