./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/interpolation.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 d8b7d2eba04d5104e6e025f54a673b137a0acc7a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/interpolation.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 d8b7d2eba04d5104e6e025f54a673b137a0acc7a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:57,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:57,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:57,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:57,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:57,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:57,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:57,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:57,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:57,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:57,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:57,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:57,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:57,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:57,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:57,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:57,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:57,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:57,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:57,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:57,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:57,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:57,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:57,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:57,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:57,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:57,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:57,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:57,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:57,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:57,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:57,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:57,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:57,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:57,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:57,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:57,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:57,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:57,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:57,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:57,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:57,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:57,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:57,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:57,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:57,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:57,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:57,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:57,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:57,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:57,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:57,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:57,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:57,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:57,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:57,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:57,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:57,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:57,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:57,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:57,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:57,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:57,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:57,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:57,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:57,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:57,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:57,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:57,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:57,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:57,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:57,921 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 -> d8b7d2eba04d5104e6e025f54a673b137a0acc7a [2019-11-24 21:03:58,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:58,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:58,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:58,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:58,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:58,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c [2019-11-24 21:03:58,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e089d98f4/6f77efdbe5eb4d94891307da344cdd6b/FLAGd7b3c5c6a [2019-11-24 21:03:59,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:59,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c [2019-11-24 21:03:59,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e089d98f4/6f77efdbe5eb4d94891307da344cdd6b/FLAGd7b3c5c6a [2019-11-24 21:03:59,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e089d98f4/6f77efdbe5eb4d94891307da344cdd6b [2019-11-24 21:03:59,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:59,796 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:59,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:59,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:59,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:59,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:59" (1/1) ... [2019-11-24 21:03:59,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ade693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:59, skipping insertion in model container [2019-11-24 21:03:59,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:59" (1/1) ... [2019-11-24 21:03:59,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:59,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:00,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:00,305 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:00,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:00,499 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:00,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00 WrapperNode [2019-11-24 21:04:00,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:00,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:00,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:00,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:00,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:00,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:00,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:00,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:00,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:00,706 INFO L168 Benchmark]: Toolchain (without parser) took 902.85 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: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:00,708 INFO L168 Benchmark]: CDTParser took 2.04 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. [2019-11-24 21:04:00,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.18 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:00,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.90 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-24 21:04:00,717 INFO L168 Benchmark]: Boogie Preprocessor took 90.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:00,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.04 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 701.18 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.90 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. * Boogie Preprocessor took 90.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 0.1.24-32f2683 [2019-11-24 21:04:04,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:04,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:04,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:04,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:04,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:04,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:04,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:04,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:04,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:04,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:04,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:04,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:04,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:04,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:04,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:04,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:04,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:04,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:04,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:04,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:04,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:04,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:04,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:04,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:04,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:04,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:04,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:04,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:04,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:04,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:04,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:04,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:04,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:04,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:04,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:04,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:04,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:04,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:04,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:04,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:04,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:04,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:04,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:04,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:04,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:04,682 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:04,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:04,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:04,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:04,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:04,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:04,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:04,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:04,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:04,690 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:04,690 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:04,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:04,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:04,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:04,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:04,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:04,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:04,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:04,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:04,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:04,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:04,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:04,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:04,697 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:04,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:04,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:04,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:04,700 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 -> d8b7d2eba04d5104e6e025f54a673b137a0acc7a [2019-11-24 21:04:05,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:05,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:05,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:05,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:05,375 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:05,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c [2019-11-24 21:04:05,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57244d64/592ebda159084f73a7948b6e7dfd5c58/FLAG9f5111c72 [2019-11-24 21:04:06,579 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:06,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c [2019-11-24 21:04:06,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57244d64/592ebda159084f73a7948b6e7dfd5c58/FLAG9f5111c72 [2019-11-24 21:04:06,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57244d64/592ebda159084f73a7948b6e7dfd5c58 [2019-11-24 21:04:06,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:06,647 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:06,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:06,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:06,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:06,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ade693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06, skipping insertion in model container [2019-11-24 21:04:06,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:06,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:07,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:07,228 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:07,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:07,473 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07 WrapperNode [2019-11-24 21:04:07,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:07,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:07,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:07,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:07,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:07,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:07,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:07,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:07,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:07,703 INFO L168 Benchmark]: Toolchain (without parser) took 1052.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:07,705 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-24 21:04:07,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:07,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.14 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:07,709 INFO L168 Benchmark]: Boogie Preprocessor took 113.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:07,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 823.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 106.14 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...