./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f22611f93269e362683124716e1056f24d2e8589 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f22611f93269e362683124716e1056f24d2e8589 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:08,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:08,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:08,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:08,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:08,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:08,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:08,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:08,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:08,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:08,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:08,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:08,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:08,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:08,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:09,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:09,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:09,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:09,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:09,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:09,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:09,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:09,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:09,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:09,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:09,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:09,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:09,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:09,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:09,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:09,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:09,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:09,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:09,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:09,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:09,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:09,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:09,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:09,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:09,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:09,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:09,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:09,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:09,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:09,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:09,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:09,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:09,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:09,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:09,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:09,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:09,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:09,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:09,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:09,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:09,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:09,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:09,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:09,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:09,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:09,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:09,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:09,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:09,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:09,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:09,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:09,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:09,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:09,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:09,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:09,152 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 -> f22611f93269e362683124716e1056f24d2e8589 [2019-11-25 22:50:09,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:09,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:09,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:09,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:09,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:09,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-25 22:50:09,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae255b114/6497908faf2944edb936d62eba5892b5/FLAG5d7f022d7 [2019-11-25 22:50:10,888 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:10,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-25 22:50:10,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae255b114/6497908faf2944edb936d62eba5892b5/FLAG5d7f022d7 [2019-11-25 22:50:11,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae255b114/6497908faf2944edb936d62eba5892b5 [2019-11-25 22:50:11,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:11,133 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:11,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:11,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:11,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:11,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a937a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11, skipping insertion in model container [2019-11-25 22:50:11,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:11,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:11,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:11,661 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:11,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:11,854 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:11,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11 WrapperNode [2019-11-25 22:50:11,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:11,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:11,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:11,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:11,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:11,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:11,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:11,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:11,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:11,998 INFO L168 Benchmark]: Toolchain (without parser) took 861.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:12,013 INFO L168 Benchmark]: CDTParser took 1.35 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. [2019-11-25 22:50:12,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:12,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.32 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. [2019-11-25 22:50:12,018 INFO L168 Benchmark]: Boogie Preprocessor took 58.09 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. [2019-11-25 22:50:12,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 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 714.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.32 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 58.09 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 0.1.24-65d6cd2 [2019-11-25 22:50:15,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:15,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:15,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:15,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:15,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:15,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:15,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:15,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:15,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:15,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:15,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:15,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:15,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:15,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:15,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:15,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:15,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:15,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:15,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:15,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:15,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:15,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:15,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:15,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:15,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:15,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:15,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:15,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:15,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:15,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:15,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:15,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:15,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:15,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:15,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:15,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:15,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:15,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:15,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:15,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:15,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:16,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:16,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:16,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:16,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:16,021 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:16,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:16,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:16,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:16,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:16,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:16,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:16,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:16,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:16,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:16,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:16,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:16,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:16,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:16,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:16,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:16,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:16,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:16,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:16,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:16,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:16,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:16,036 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:16,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:16,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:16,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:16,038 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 -> f22611f93269e362683124716e1056f24d2e8589 [2019-11-25 22:50:16,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:16,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:16,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:16,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:16,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:16,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-25 22:50:16,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812a0c3c/4b19343c236e4d96b923b913b80ecdc3/FLAG49db22de9 [2019-11-25 22:50:17,815 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:17,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-25 22:50:17,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812a0c3c/4b19343c236e4d96b923b913b80ecdc3/FLAG49db22de9 [2019-11-25 22:50:17,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812a0c3c/4b19343c236e4d96b923b913b80ecdc3 [2019-11-25 22:50:17,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:17,961 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:17,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:17,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:17,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:17,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1636fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17, skipping insertion in model container [2019-11-25 22:50:17,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:18,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:18,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:18,494 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:18,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:18,744 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:18,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18 WrapperNode [2019-11-25 22:50:18,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:18,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:18,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:18,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:18,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:18,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:18,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:18,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:18,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:18" (1/1) ... [2019-11-25 22:50:18,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:18,955 INFO L168 Benchmark]: Toolchain (without parser) took 989.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:18,959 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:18,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:18,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.69 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. [2019-11-25 22:50:18,966 INFO L168 Benchmark]: Boogie Preprocessor took 78.36 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. [2019-11-25 22:50:18,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 776.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.69 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 78.36 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...