./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/arctan_Pade.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/arctan_Pade.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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/arctan_Pade.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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:44:58,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:58,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:58,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:58,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:58,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:58,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:58,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:58,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:58,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:58,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:58,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:58,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:58,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:58,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:58,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:58,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:58,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:58,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:58,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:58,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:58,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:58,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:58,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:58,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:58,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:58,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:58,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:58,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:58,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:58,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:58,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:58,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:58,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:58,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:58,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:58,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:58,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:58,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:58,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:58,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:58,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:58,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:58,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:58,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:58,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:58,898 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:58,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:58,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:58,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:58,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:58,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:58,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:58,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:58,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:58,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:58,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:58,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:58,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:58,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:58,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:58,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:58,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:58,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:58,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:58,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:58,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:58,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:58,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:58,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:58,914 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-11-27 09:44:59,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:59,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:59,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:59,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:59,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:59,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-27 09:44:59,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e910e43cc/4a5a623063a34fe6b0bb1e35e4594dd0/FLAGc7440fd0d [2019-11-27 09:45:00,693 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:00,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-27 09:45:00,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e910e43cc/4a5a623063a34fe6b0bb1e35e4594dd0/FLAGc7440fd0d [2019-11-27 09:45:00,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e910e43cc/4a5a623063a34fe6b0bb1e35e4594dd0 [2019-11-27 09:45:00,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:00,760 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:00,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:00,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:00,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:00,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00, skipping insertion in model container [2019-11-27 09:45:00,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:00,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:01,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:01,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:01,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:01,360 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:01,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01 WrapperNode [2019-11-27 09:45:01,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:01,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:01,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:01,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:01,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:01,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:01,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:01,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:01,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:01" (1/1) ... [2019-11-27 09:45:01,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:01,631 INFO L168 Benchmark]: Toolchain (without parser) took 865.01 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 09:45:01,634 INFO L168 Benchmark]: CDTParser took 1.32 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 09:45:01,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.28 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:01,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:01,654 INFO L168 Benchmark]: Boogie Preprocessor took 62.55 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 09:45:01,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 602.28 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.55 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 09:45:05,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:05,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:05,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:05,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:05,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:05,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:05,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:05,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:05,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:05,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:05,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:05,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:05,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:05,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:05,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:05,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:05,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:05,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:05,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:05,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:05,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:05,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:05,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:05,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:05,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:05,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:05,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:05,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:05,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:05,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:05,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:05,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:05,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:05,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:05,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:05,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:05,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:05,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:05,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:05,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:05,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:05,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:05,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:05,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:05,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:05,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:05,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:05,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:05,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:05,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:05,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:05,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:05,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:05,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:05,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:05,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:05,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:05,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:05,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:05,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:05,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:05,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:05,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:05,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:05,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:05,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:05,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:05,835 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:05,835 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:05,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:05,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:05,841 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-11-27 09:45:06,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:06,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:06,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:06,459 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:06,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-27 09:45:06,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5c61aa7/f2da57deae6a4dfc82de25ef332fcdc7/FLAG4987b22fb [2019-11-27 09:45:07,612 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:07,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-27 09:45:07,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5c61aa7/f2da57deae6a4dfc82de25ef332fcdc7/FLAG4987b22fb [2019-11-27 09:45:07,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5c61aa7/f2da57deae6a4dfc82de25ef332fcdc7 [2019-11-27 09:45:07,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:07,946 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:07,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:07,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:07,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:07,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65159f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07, skipping insertion in model container [2019-11-27 09:45:07,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:08,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:08,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:08,449 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:08,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:08,617 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:08,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08 WrapperNode [2019-11-27 09:45:08,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:08,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:08,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:08,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:08,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:08,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:08,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:08,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:08,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:08,797 INFO L168 Benchmark]: Toolchain (without parser) took 832.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:08,800 INFO L168 Benchmark]: CDTParser took 2.61 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 09:45:08,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.55 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:08,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:08,812 INFO L168 Benchmark]: Boogie Preprocessor took 77.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:08,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 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 668.55 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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...