./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/filter2_iterated.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 e71375352cb0ad247550ffa746935e0806d4b0b5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/filter2_iterated.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 e71375352cb0ad247550ffa746935e0806d4b0b5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:53,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:53,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:53,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:53,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:53,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:53,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:53,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:53,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:53,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:53,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:53,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:53,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:53,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:53,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:53,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:53,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:53,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:53,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:53,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:53,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:53,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:53,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:53,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:53,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:53,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:53,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:53,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:53,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:53,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:53,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:53,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:53,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:53,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:53,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:53,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:53,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:53,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:53,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:53,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:53,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:53,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:53,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:53,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:53,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:53,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:53,977 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:53,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:53,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:53,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:53,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:53,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:53,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:53,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:53,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:53,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:53,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:53,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:53,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:53,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:53,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:53,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:53,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:53,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:53,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:53,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:53,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:53,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:53,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:53,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:53,988 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-27 16:06:54,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:54,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:54,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:54,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:54,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:54,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-27 16:06:54,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177acb60c/db11131c9ab64af28445f1d9b20527df/FLAG5583b6649 [2019-11-27 16:06:55,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:55,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-27 16:06:55,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177acb60c/db11131c9ab64af28445f1d9b20527df/FLAG5583b6649 [2019-11-27 16:06:55,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177acb60c/db11131c9ab64af28445f1d9b20527df [2019-11-27 16:06:55,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:55,624 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:55,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:55,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:55,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:55,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:55" (1/1) ... [2019-11-27 16:06:55,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456125ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:55, skipping insertion in model container [2019-11-27 16:06:55,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:55" (1/1) ... [2019-11-27 16:06:55,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:55,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:56,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:56,066 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:56,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:56,233 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:56,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56 WrapperNode [2019-11-27 16:06:56,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:56,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:56,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:56,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:56,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:56,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:56,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:56,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:56,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:56,383 INFO L168 Benchmark]: Toolchain (without parser) took 758.22 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 984.3 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:56,384 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:56,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.90 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: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:56,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:56,402 INFO L168 Benchmark]: Boogie Preprocessor took 55.62 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:56,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 609.90 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: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 86.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.62 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:06:59,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:59,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:59,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:59,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:59,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:59,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:59,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:59,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:59,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:59,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:59,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:59,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:59,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:59,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:59,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:59,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:59,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:59,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:59,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:59,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:59,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:59,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:59,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:59,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:59,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:59,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:59,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:59,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:59,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:59,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:59,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:59,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:59,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:59,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:59,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:59,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:59,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:59,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:59,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:59,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:59,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:59,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:59,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:59,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:59,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:59,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:59,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:59,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:59,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:59,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:59,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:59,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:59,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:59,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:59,257 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:59,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:59,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:59,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:59,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:59,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:59,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:59,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:59,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:59,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:59,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:59,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:59,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:59,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:59,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:59,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:59,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:59,266 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-27 16:06:59,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:59,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:59,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:59,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:59,735 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:59,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-27 16:06:59,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87c6e5f79/18cb7e88339a4b02877afeedaed6e452/FLAG1d7b75575 [2019-11-27 16:07:00,564 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:00,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-27 16:07:00,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87c6e5f79/18cb7e88339a4b02877afeedaed6e452/FLAG1d7b75575 [2019-11-27 16:07:00,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87c6e5f79/18cb7e88339a4b02877afeedaed6e452 [2019-11-27 16:07:00,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:00,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:00,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:00,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:00,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:00,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:00" (1/1) ... [2019-11-27 16:07:00,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456125ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:00, skipping insertion in model container [2019-11-27 16:07:00,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:00" (1/1) ... [2019-11-27 16:07:00,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:00,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:01,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:01,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:01,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:01,580 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01 WrapperNode [2019-11-27 16:07:01,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:01,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:01,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:01,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:01,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:01,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:01,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:01,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:01,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:01,781 INFO L168 Benchmark]: Toolchain (without parser) took 873.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.4 MB in the end (delta: -24.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,785 INFO L168 Benchmark]: CDTParser took 1.69 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:01,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 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. [2019-11-27 16:07:01,789 INFO L168 Benchmark]: Boogie Preprocessor took 93.10 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 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 672.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 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. * Boogie Preprocessor took 93.10 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 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...