./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.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/interpolation2.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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/interpolation2.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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:57:58,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:58,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:58,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:58,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:58,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:58,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:58,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:58,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:58,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:58,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:58,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:58,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:58,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:58,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:58,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:58,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:58,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:58,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:58,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:58,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:58,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:58,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:58,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:58,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:58,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:58,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:58,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:58,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:58,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:58,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:58,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:58,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:58,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:58,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:58,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:58,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:58,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:58,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:58,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:58,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:58,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:58,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:58,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:58,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:58,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:58,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:58,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:58,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:58,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:58,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:58,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:58,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:58,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:58,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:58,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:58,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:58,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:58,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:58,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:58,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:58,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:58,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:58,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:58,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:58,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:58,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:58,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:58,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:58,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:58,615 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-26 16:57:59,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:59,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:59,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:59,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:59,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:59,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-26 16:57:59,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf083953/1dfa6b6d2b204584afed22de47c59f05/FLAGd062a830f [2019-11-26 16:57:59,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:59,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-26 16:57:59,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf083953/1dfa6b6d2b204584afed22de47c59f05/FLAGd062a830f [2019-11-26 16:58:00,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf083953/1dfa6b6d2b204584afed22de47c59f05 [2019-11-26 16:58:00,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:00,230 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:00,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:00,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:00,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:00,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00, skipping insertion in model container [2019-11-26 16:58:00,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:00,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:00,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:00,688 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:00,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:00,791 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:00,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00 WrapperNode [2019-11-26 16:58:00,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:00,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:00,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:00,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:00,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:00,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:00,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:00,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:00,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:00,927 INFO L168 Benchmark]: Toolchain (without parser) took 695.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.4 MB in the end (delta: -17.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:00,940 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-26 16:58:00,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.10 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 991.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:00,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.57 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 990.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:00,948 INFO L168 Benchmark]: Boogie Preprocessor took 63.63 ms. Allocated memory is still 1.0 GB. Free memory was 990.2 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:00,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 557.10 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 991.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 65.57 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 990.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.63 ms. Allocated memory is still 1.0 GB. Free memory was 990.2 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:03,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:03,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:03,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:03,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:03,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:03,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:03,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:03,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:03,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:03,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:03,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:03,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:03,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:03,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:03,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:03,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:03,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:03,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:03,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:03,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:03,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:03,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:03,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:03,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:03,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:03,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:03,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:03,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:03,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:03,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:03,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:03,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:03,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:03,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:03,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:03,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:03,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:03,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:03,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:03,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:03,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:03,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:03,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:03,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:03,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:03,852 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:03,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:03,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:03,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:03,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:03,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:03,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:03,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:03,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:03,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:03,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:03,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:03,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:03,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:03,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:03,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:03,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:03,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:03,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:03,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:03,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:03,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:03,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:03,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:03,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:03,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:03,864 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-26 16:58:04,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:04,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:04,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:04,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:04,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:04,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-26 16:58:04,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173ca35e9/13c513b38fda4acab2e54811ba7255ee/FLAG7888f6d4c [2019-11-26 16:58:05,155 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:05,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-26 16:58:05,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173ca35e9/13c513b38fda4acab2e54811ba7255ee/FLAG7888f6d4c [2019-11-26 16:58:05,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173ca35e9/13c513b38fda4acab2e54811ba7255ee [2019-11-26 16:58:05,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:05,482 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:05,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:05,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:05,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:05,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 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 16:58:05,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:05,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:05,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:05,975 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:06,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:06,113 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:06,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06 WrapperNode [2019-11-26 16:58:06,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:06,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:06,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:06,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:06,125 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 16:58:06,147 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 16:58:06,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:06,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:06,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:06,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:06,190 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 16:58:06,191 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 16:58:06,209 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 16:58:06,209 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 16:58:06,234 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 16:58:06,239 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 16:58:06,244 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 16:58:06,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:06,254 INFO L168 Benchmark]: Toolchain (without parser) took 769.68 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:06,257 INFO L168 Benchmark]: CDTParser took 0.22 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 16:58:06,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.68 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 990.2 MB in the end (delta: -28.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:06,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.63 ms. Allocated memory is still 1.0 GB. Free memory is still 990.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:06,261 INFO L168 Benchmark]: Boogie Preprocessor took 67.55 ms. Allocated memory is still 1.0 GB. Free memory was 990.2 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:06,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 618.68 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 990.2 MB in the end (delta: -28.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 66.63 ms. Allocated memory is still 1.0 GB. Free memory is still 990.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.55 ms. Allocated memory is still 1.0 GB. Free memory was 990.2 MB in the beginning and 984.4 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...