./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_8.i --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/floats-cdfpl/square_8.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 847ec304644081d839ca7e80209d45b391ec9937 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8.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 847ec304644081d839ca7e80209d45b391ec9937 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:49:34,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:34,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:34,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:34,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:34,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:34,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:34,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:34,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:34,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:34,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:34,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:34,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:34,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:34,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:34,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:34,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:34,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:34,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:34,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:34,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:34,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:34,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:34,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:34,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:34,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:34,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:34,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:34,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:34,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:34,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:34,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:34,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:34,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:34,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:34,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:34,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:34,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:34,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:34,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:34,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:34,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:34,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:34,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:34,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:34,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:34,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:34,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:34,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:34,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:34,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:34,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:34,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:34,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:34,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:34,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:34,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:34,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:34,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:34,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:34,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:34,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:34,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:34,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:34,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:34,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:34,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:34,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:34,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:34,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:34,221 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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2019-11-25 22:49:34,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:34,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:34,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:34,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:34,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:34,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-25 22:49:34,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3808010de/5a4425bdabf2460eb9d39878eec49f94/FLAG6b4ec7655 [2019-11-25 22:49:35,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:35,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-25 22:49:35,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3808010de/5a4425bdabf2460eb9d39878eec49f94/FLAG6b4ec7655 [2019-11-25 22:49:35,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3808010de/5a4425bdabf2460eb9d39878eec49f94 [2019-11-25 22:49:35,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:35,830 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:35,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:35,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:35,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:35,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3cc1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35, skipping insertion in model container [2019-11-25 22:49:35,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:35,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:36,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:36,231 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:36,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:36,266 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:36,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36 WrapperNode [2019-11-25 22:49:36,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:36,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:36,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:36,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:36,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:36,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:36,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:36,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:36,409 INFO L168 Benchmark]: Toolchain (without parser) took 582.37 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:36,411 INFO L168 Benchmark]: CDTParser took 1.55 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 22:49:36,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.24 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. [2019-11-25 22:49:36,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.54 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:36,431 INFO L168 Benchmark]: Boogie Preprocessor took 27.99 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:36,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 434.24 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 106.54 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.99 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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 22:49:39,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:39,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:39,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:39,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:39,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:39,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:39,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:39,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:39,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:39,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:39,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:39,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:39,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:39,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:39,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:39,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:39,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:39,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:39,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:39,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:39,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:39,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:39,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:39,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:39,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:39,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:39,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:39,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:39,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:39,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:39,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:39,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:39,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:39,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:39,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:39,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:39,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:39,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:39,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:39,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:39,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:39,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:39,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:39,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:39,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:39,461 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:39,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:39,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:39,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:39,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:39,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:39,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:39,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:39,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:39,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:39,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:39,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:39,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:39,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:39,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:39,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:39,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:39,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:39,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:39,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:39,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:39,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:39,471 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:39,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:39,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:39,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:39,473 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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2019-11-25 22:49:39,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:39,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:39,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:39,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:39,971 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:39,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-25 22:49:40,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aad21ec8/a70d1a4881a441ddb63d643dc81a1764/FLAGa62a79b1b [2019-11-25 22:49:40,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:40,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-25 22:49:40,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aad21ec8/a70d1a4881a441ddb63d643dc81a1764/FLAGa62a79b1b [2019-11-25 22:49:41,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aad21ec8/a70d1a4881a441ddb63d643dc81a1764 [2019-11-25 22:49:41,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:41,169 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:41,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:41,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:41,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:41,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41, skipping insertion in model container [2019-11-25 22:49:41,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:41,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:41,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:41,589 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:41,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:41,657 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:41,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41 WrapperNode [2019-11-25 22:49:41,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:41,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:41,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:41,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:41,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:41,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:41,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:41,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:41,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:41,839 INFO L168 Benchmark]: Toolchain (without parser) took 660.15 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:41,842 INFO L168 Benchmark]: CDTParser took 0.23 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 22:49:41,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:41,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:41,849 INFO L168 Benchmark]: Boogie Preprocessor took 45.57 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. [2019-11-25 22:49:41,859 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 486.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 116.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.57 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...