./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/square_7.i -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 606eec17d7532a4390087f1369eab3dc14272ffb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floats-cdfpl/square_7.i -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 606eec17d7532a4390087f1369eab3dc14272ffb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:24,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:24,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:24,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:24,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:24,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:24,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:24,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:24,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:24,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:24,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:24,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:24,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:24,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:24,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:24,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:24,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:24,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:24,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:24,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:24,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:24,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:24,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:24,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:24,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:24,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:24,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:24,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:24,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:24,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:24,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:24,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:24,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:24,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:24,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:24,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:24,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:24,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:24,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:24,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:24,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:24,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:24,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:24,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:24,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:24,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:24,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:24,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:24,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:24,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:24,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:24,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:24,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:24,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:24,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:24,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:24,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:24,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:24,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:24,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:24,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:24,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:24,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:24,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:24,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:24,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:24,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:24,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:24,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:24,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:24,426 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 -> 606eec17d7532a4390087f1369eab3dc14272ffb [2019-11-26 16:57:25,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:25,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:25,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:25,047 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:25,048 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:25,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-26 16:57:25,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789756a01/9488b92ac65c4802b35576dfeb9a539c/FLAG558fbf550 [2019-11-26 16:57:26,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:26,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-26 16:57:26,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789756a01/9488b92ac65c4802b35576dfeb9a539c/FLAG558fbf550 [2019-11-26 16:57:26,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789756a01/9488b92ac65c4802b35576dfeb9a539c [2019-11-26 16:57:26,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:26,283 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:26,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:26,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:26,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:26,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:26,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26, skipping insertion in model container [2019-11-26 16:57:26,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:26,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:26,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:26,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:26,814 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:26,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:26,893 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:26,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26 WrapperNode [2019-11-26 16:57:26,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:26,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:26,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:26,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:27,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:27,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:27,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:27,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:27,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:26" (1/1) ... [2019-11-26 16:57:27,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:27,098 INFO L168 Benchmark]: Toolchain (without parser) took 807.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:27,100 INFO L168 Benchmark]: CDTParser took 1.51 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:27,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:27,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:27,119 INFO L168 Benchmark]: Boogie Preprocessor took 39.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:27,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 609.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:31,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:31,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:31,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:31,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:31,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:31,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:31,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:31,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:31,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:31,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:31,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:31,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:31,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:31,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:31,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:31,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:31,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:31,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:31,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:31,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:31,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:31,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:31,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:31,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:31,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:31,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:31,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:31,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:31,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:31,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:31,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:31,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:31,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:31,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:31,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:31,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:31,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:31,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:31,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:31,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:31,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:31,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:31,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:31,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:31,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:31,340 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:31,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:31,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:31,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:31,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:31,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:31,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:31,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:31,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:31,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:31,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:31,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:31,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:31,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:31,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:31,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:31,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:31,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:31,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:31,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:31,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:31,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:31,354 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:31,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:31,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:31,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:31,357 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 -> 606eec17d7532a4390087f1369eab3dc14272ffb [2019-11-26 16:57:31,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:31,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:31,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:31,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:31,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:31,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-26 16:57:32,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd65def98/ea66d1a93d244cff848418bcca81bd76/FLAG325077218 [2019-11-26 16:57:33,090 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:33,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-26 16:57:33,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd65def98/ea66d1a93d244cff848418bcca81bd76/FLAG325077218 [2019-11-26 16:57:33,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd65def98/ea66d1a93d244cff848418bcca81bd76 [2019-11-26 16:57:33,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:33,154 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:33,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:33,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:33,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:33,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33, skipping insertion in model container [2019-11-26 16:57:33,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:33,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:33,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:33,694 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:33,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:33,787 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:33,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33 WrapperNode [2019-11-26 16:57:33,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:33,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:33,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:33,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:33,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:33,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:33,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:33,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:33,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:34,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:34,059 INFO L168 Benchmark]: Toolchain (without parser) took 900.50 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:34,063 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:34,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:34,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:34,072 INFO L168 Benchmark]: Boogie Preprocessor took 78.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:34,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 633.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...