./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1122a.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 5cd93119259b478e9ace2ae93fde799beac44478 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-newlib/float_req_bl_1122a.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 5cd93119259b478e9ace2ae93fde799beac44478 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:09:54,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:54,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:54,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:54,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:54,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:54,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:54,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:55,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:55,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:55,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:55,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:55,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:55,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:55,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:55,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:55,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:55,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:55,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:55,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:55,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:55,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:55,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:55,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:55,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:55,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:55,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:55,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:55,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:55,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:55,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:55,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:55,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:55,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:55,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:55,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:55,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:55,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:55,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:55,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:55,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:55,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:55,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:55,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:55,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:55,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:55,179 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:55,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:55,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:55,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:55,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:55,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:55,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:55,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:55,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:55,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:55,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:55,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:55,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:55,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:55,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:55,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:55,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:55,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:55,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:55,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:55,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:55,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:55,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:55,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:55,196 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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2019-11-27 16:09:55,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:55,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:55,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:55,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:55,865 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:55,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2019-11-27 16:09:56,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd86daf/8ff480c1e3014128ab97ce816697920a/FLAG5046d45d3 [2019-11-27 16:09:57,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:57,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2019-11-27 16:09:57,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd86daf/8ff480c1e3014128ab97ce816697920a/FLAG5046d45d3 [2019-11-27 16:09:57,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cd86daf/8ff480c1e3014128ab97ce816697920a [2019-11-27 16:09:57,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:57,275 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:57,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:57,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:57,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:57,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57, skipping insertion in model container [2019-11-27 16:09:57,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:57,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:58,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:58,041 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:58,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:58,224 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:58,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58 WrapperNode [2019-11-27 16:09:58,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:58,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:58,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:58,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:58,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:58,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:58,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:58,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:58,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:58,502 INFO L168 Benchmark]: Toolchain (without parser) took 1218.79 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:58,505 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:58,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 962.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:58,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:58,516 INFO L168 Benchmark]: Boogie Preprocessor took 121.70 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:58,525 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 962.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.70 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:02,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:02,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:02,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:02,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:02,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:02,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:02,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:02,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:02,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:02,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:02,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:02,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:02,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:02,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:02,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:02,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:02,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:02,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:02,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:02,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:02,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:02,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:02,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:02,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:02,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:02,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:02,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:02,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:02,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:02,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:02,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:02,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:02,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:02,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:02,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:02,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:02,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:02,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:02,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:02,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:02,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:02,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:02,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:02,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:02,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:02,728 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:02,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:02,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:02,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:02,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:02,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:02,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:02,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:02,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:02,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:02,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:02,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:02,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:02,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:02,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:02,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:02,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:02,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:02,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:02,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:02,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:02,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:02,744 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:02,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:02,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:02,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:02,746 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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2019-11-27 16:10:03,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:03,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:03,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:03,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:03,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:03,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2019-11-27 16:10:03,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73112080a/6d9973925cd84a93a8c6d9993df555fa/FLAG353fed05b [2019-11-27 16:10:04,714 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:04,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2019-11-27 16:10:04,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73112080a/6d9973925cd84a93a8c6d9993df555fa/FLAG353fed05b [2019-11-27 16:10:04,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73112080a/6d9973925cd84a93a8c6d9993df555fa [2019-11-27 16:10:04,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:04,799 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:04,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:04,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:04,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:04,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04, skipping insertion in model container [2019-11-27 16:10:04,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:04,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:05,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:05,569 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:05,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:05,732 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:05,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05 WrapperNode [2019-11-27 16:10:05,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:05,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:05,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:05,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:05,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:05,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:05,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:05,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:05,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:06,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:06,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:06,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:06,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:06,070 INFO L168 Benchmark]: Toolchain (without parser) took 1265.64 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:06,072 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:06,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.18 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:06,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.89 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:06,084 INFO L168 Benchmark]: Boogie Preprocessor took 148.05 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:06,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 931.18 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.89 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.05 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...