./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 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/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 0.1.24-65d6cd2 [2019-11-25 22:50:06,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:06,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:06,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:06,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:06,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:07,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:07,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:07,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:07,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:07,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:07,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:07,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:07,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:07,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:07,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:07,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:07,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:07,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:07,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:07,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:07,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:07,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:07,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:07,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:07,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:07,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:07,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:07,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:07,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:07,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:07,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:07,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:07,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:07,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:07,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:07,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:07,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:07,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:07,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:07,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:07,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:07,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:07,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:07,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:07,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:07,197 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:07,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:07,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:07,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:07,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:07,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:07,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:07,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:07,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:07,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:07,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:07,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:07,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:07,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:07,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:07,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:07,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:07,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:07,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:07,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:07,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:07,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:07,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:07,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:07,214 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 [2019-11-25 22:50:07,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:07,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:07,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:07,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:07,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:07,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 22:50:08,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f787972ee/70b75d6567a7400a84c041c0a790501e/FLAG1e0b661c9 [2019-11-25 22:50:09,135 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:09,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 22:50:09,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f787972ee/70b75d6567a7400a84c041c0a790501e/FLAG1e0b661c9 [2019-11-25 22:50:09,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f787972ee/70b75d6567a7400a84c041c0a790501e [2019-11-25 22:50:09,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:09,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:09,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:09,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:09,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:09,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:09" (1/1) ... [2019-11-25 22:50:09,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee48cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:09, skipping insertion in model container [2019-11-25 22:50:09,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:09" (1/1) ... [2019-11-25 22:50:09,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:09,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:09,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:09,880 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:10,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:10,153 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:10,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10 WrapperNode [2019-11-25 22:50:10,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:10,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:10,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:10,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:10,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:10,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:10,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:10,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:10,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:10,392 INFO L168 Benchmark]: Toolchain (without parser) took 1171.86 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. [2019-11-25 22:50:10,393 INFO L168 Benchmark]: CDTParser took 1.49 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 22:50:10,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 22:50:10,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.28 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. [2019-11-25 22:50:10,406 INFO L168 Benchmark]: Boogie Preprocessor took 102.23 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. [2019-11-25 22:50:10,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 939.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 114.28 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 102.23 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 0.1.24-65d6cd2 [2019-11-25 22:50:14,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:14,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:14,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:14,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:14,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:14,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:14,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:14,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:14,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:14,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:14,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:14,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:14,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:14,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:14,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:14,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:14,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:14,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:14,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:14,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:14,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:14,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:14,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:14,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:14,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:14,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:14,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:14,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:14,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:14,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:14,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:14,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:14,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:14,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:14,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:14,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:14,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:14,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:14,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:14,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:14,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:14,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:14,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:14,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:14,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:14,639 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:14,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:14,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:14,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:14,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:14,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:14,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:14,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:14,645 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:14,646 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:14,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:14,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:14,647 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:14,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:14,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:14,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:14,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:14,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:14,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:14,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:14,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:14,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:14,655 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:14,655 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:14,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:14,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:14,657 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 [2019-11-25 22:50:15,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:15,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:15,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:15,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:15,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:15,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 22:50:15,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481658ead/26f6a8f8e4384667b5911be37ba14ae5/FLAGb03b81831 [2019-11-25 22:50:16,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:16,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 22:50:16,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481658ead/26f6a8f8e4384667b5911be37ba14ae5/FLAGb03b81831 [2019-11-25 22:50:16,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481658ead/26f6a8f8e4384667b5911be37ba14ae5 [2019-11-25 22:50:16,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:16,617 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:16,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:16,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:16,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:16,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:16" (1/1) ... [2019-11-25 22:50:16,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee48cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:16, skipping insertion in model container [2019-11-25 22:50:16,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:16" (1/1) ... [2019-11-25 22:50:16,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:16,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:17,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:17,281 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:17,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:17,607 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:17,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17 WrapperNode [2019-11-25 22:50:17,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:17,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:17,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:17,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:17,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:17,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:17,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:17,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:17,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:17,946 INFO L168 Benchmark]: Toolchain (without parser) took 1320.32 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:17,948 INFO L168 Benchmark]: CDTParser took 3.90 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 22:50:17,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 989.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:17,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:17,960 INFO L168 Benchmark]: Boogie Preprocessor took 147.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:17,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.90 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 989.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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...