./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.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/float-benchs/inv_Newton.c.p+cfa-reducer.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 da6a2bab1a150f96c1704e6bd6399f84c7ef1968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-benchs/inv_Newton.c.p+cfa-reducer.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 da6a2bab1a150f96c1704e6bd6399f84c7ef1968 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:45:15,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:15,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:15,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:15,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:15,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:15,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:15,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:15,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:15,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:15,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:15,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:15,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:15,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:15,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:15,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:15,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:15,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:15,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:15,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:15,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:15,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:15,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:15,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:15,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:15,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:15,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:15,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:15,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:15,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:15,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:15,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:15,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:15,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:15,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:15,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:15,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:15,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:15,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:15,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:15,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:15,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:15,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:15,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:15,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:15,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:15,704 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:15,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:15,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:15,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:15,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:15,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:15,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:15,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:15,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:15,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:15,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:15,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:15,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:15,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:15,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:15,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:15,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:15,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:15,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:15,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:15,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:15,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:15,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:15,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:15,718 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 -> da6a2bab1a150f96c1704e6bd6399f84c7ef1968 [2019-11-27 09:45:16,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:16,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:16,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:16,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:16,353 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:16,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-27 09:45:16,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e0230ce/4adf6d12f9574d4fb7df4c1f0abb3db2/FLAG34db38ee3 [2019-11-27 09:45:17,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:17,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-27 09:45:17,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e0230ce/4adf6d12f9574d4fb7df4c1f0abb3db2/FLAG34db38ee3 [2019-11-27 09:45:17,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e0230ce/4adf6d12f9574d4fb7df4c1f0abb3db2 [2019-11-27 09:45:17,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:17,680 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:17,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:17,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:17,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:17,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:17" (1/1) ... [2019-11-27 09:45:17,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:17, skipping insertion in model container [2019-11-27 09:45:17,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:17" (1/1) ... [2019-11-27 09:45:17,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:17,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:18,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:18,357 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:18,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:18,646 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:18,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18 WrapperNode [2019-11-27 09:45:18,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:18,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:18,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:18,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:18,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:18,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:18,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:18,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:18,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:18,860 INFO L168 Benchmark]: Toolchain (without parser) took 1175.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.8 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:18,861 INFO L168 Benchmark]: CDTParser took 2.33 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 09:45:18,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:18,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.41 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:18,883 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:18,894 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 967.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.41 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:22,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:22,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:22,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:22,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:22,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:22,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:22,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:22,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:22,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:22,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:22,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:22,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:22,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:22,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:22,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:22,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:22,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:22,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:22,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:22,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:22,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:22,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:22,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:22,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:22,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:22,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:22,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:22,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:22,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:22,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:22,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:22,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:22,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:22,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:22,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:22,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:22,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:22,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:22,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:22,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:22,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:22,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:22,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:22,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:22,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:22,994 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:22,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:22,997 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:22,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:22,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:22,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:23,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:23,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:23,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:23,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:23,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:23,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:23,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:23,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:23,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:23,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:23,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:23,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:23,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:23,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:23,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:23,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:23,009 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:23,010 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:23,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:23,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:23,014 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 -> da6a2bab1a150f96c1704e6bd6399f84c7ef1968 [2019-11-27 09:45:23,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:23,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:23,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:23,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:23,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:23,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-27 09:45:23,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6408374/146bcff6342c44578f90d92e25f24e0d/FLAG29ccae44e [2019-11-27 09:45:24,869 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:24,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-27 09:45:24,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6408374/146bcff6342c44578f90d92e25f24e0d/FLAG29ccae44e [2019-11-27 09:45:24,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6408374/146bcff6342c44578f90d92e25f24e0d [2019-11-27 09:45:24,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:24,944 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:24,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:24,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:24,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:24,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:24" (1/1) ... [2019-11-27 09:45:24,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:24, skipping insertion in model container [2019-11-27 09:45:24,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:24" (1/1) ... [2019-11-27 09:45:24,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:25,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:25,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:25,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:25,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:25,861 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:25,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25 WrapperNode [2019-11-27 09:45:25,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:25,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:25,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:25,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:25,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:26,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:26,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:26,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:26,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:26,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:26,141 INFO L168 Benchmark]: Toolchain (without parser) took 1194.53 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:26,146 INFO L168 Benchmark]: CDTParser took 0.48 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 09:45:26,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 916.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:26,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.95 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:26,153 INFO L168 Benchmark]: Boogie Preprocessor took 114.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:26,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 916.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.95 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 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...