./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation.c.v+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 bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.v+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 bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:56,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:56,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:56,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:56,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:56,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:56,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:56,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:56,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:56,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:56,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:56,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:56,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:56,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:56,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:56,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:56,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:56,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:56,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:56,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:56,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:56,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:56,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:56,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:56,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:56,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:56,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:56,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:56,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:56,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:56,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:56,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:56,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:56,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:56,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:56,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:56,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:56,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:56,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:56,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:56,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:56,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:56,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:56,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:56,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:56,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:56,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:56,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:56,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:56,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:56,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:56,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:56,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:56,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:56,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:56,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:56,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:56,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:56,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:56,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:56,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:56,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:56,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:56,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:56,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:56,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:56,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:56,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:56,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:56,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:56,758 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2019-11-26 16:57:57,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:57,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:57,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:57,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:57,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:57,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-26 16:57:57,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a095477ba/7322dbc92bcb4e20b0b9f55812da4bfa/FLAG01fb451b3 [2019-11-26 16:57:58,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:58,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-26 16:57:58,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a095477ba/7322dbc92bcb4e20b0b9f55812da4bfa/FLAG01fb451b3 [2019-11-26 16:57:58,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a095477ba/7322dbc92bcb4e20b0b9f55812da4bfa [2019-11-26 16:57:58,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:58,614 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:58,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:58,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:58,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:58,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efee5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58, skipping insertion in model container [2019-11-26 16:57:58,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:58,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:59,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:59,202 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:59,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:59,503 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:59,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59 WrapperNode [2019-11-26 16:57:59,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:59,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:59,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:59,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:59,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:59,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:59,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:59,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:59,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:59,729 INFO L168 Benchmark]: Toolchain (without parser) took 1099.17 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:59,730 INFO L168 Benchmark]: CDTParser took 1.82 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:59,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.97 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. [2019-11-26 16:57:59,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.33 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. [2019-11-26 16:57:59,738 INFO L168 Benchmark]: Boogie Preprocessor took 66.60 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. [2019-11-26 16:57:59,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 886.97 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 135.33 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 66.60 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:03,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:03,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:03,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:03,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:03,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:03,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:03,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:03,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:03,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:03,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:03,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:03,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:03,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:03,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:03,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:03,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:03,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:03,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:03,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:03,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:03,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:03,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:03,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:03,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:03,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:03,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:03,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:03,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:03,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:03,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:03,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:03,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:03,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:03,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:03,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:03,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:03,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:03,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:03,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:03,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:03,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:03,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:03,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:03,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:03,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:03,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:03,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:03,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:03,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:03,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:03,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:03,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:03,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:03,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:03,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:03,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:03,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:03,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:03,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:03,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:03,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:03,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:03,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:03,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:03,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:03,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:03,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:03,727 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:03,727 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:03,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:03,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:03,729 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2019-11-26 16:58:04,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:04,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:04,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:04,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:04,334 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:04,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-26 16:58:04,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031ca62ec/776917df5c9a414faae72d9c9d41bd5d/FLAGcba9f84ea [2019-11-26 16:58:05,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:05,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-26 16:58:05,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031ca62ec/776917df5c9a414faae72d9c9d41bd5d/FLAGcba9f84ea [2019-11-26 16:58:05,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031ca62ec/776917df5c9a414faae72d9c9d41bd5d [2019-11-26 16:58:05,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:05,699 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:05,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:05,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:05,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:05,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05, skipping insertion in model container [2019-11-26 16:58:05,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:05,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:06,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:06,242 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:06,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:06,457 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:06,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06 WrapperNode [2019-11-26 16:58:06,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:06,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:06,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:06,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:06,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:06,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:06,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:06,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:06,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:06,665 INFO L168 Benchmark]: Toolchain (without parser) took 962.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:06,671 INFO L168 Benchmark]: CDTParser took 3.08 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:06,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:06,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.49 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. [2019-11-26 16:58:06,676 INFO L168 Benchmark]: Boogie Preprocessor took 80.76 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. [2019-11-26 16:58:06,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.08 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 750.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 118.49 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. * Boogie Preprocessor took 80.76 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...