./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --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-cbmc-regression/float-no-simp1.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 5fc76096080d06d307c9a613c10bbb5b03d622cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-cbmc-regression/float-no-simp1.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 5fc76096080d06d307c9a613c10bbb5b03d622cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:57:25,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:25,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:25,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:25,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:25,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:25,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:25,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:25,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:25,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:25,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:25,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:25,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:25,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:25,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:25,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:25,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:25,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:25,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:25,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:25,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:25,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:25,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:25,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:25,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:25,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:25,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:25,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:25,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:25,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:25,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:25,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:25,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:25,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:25,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:25,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:25,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:25,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:25,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:25,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:25,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:25,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:25,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:25,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:25,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:25,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:25,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:25,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:25,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:25,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:25,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:25,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:25,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:25,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:25,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:25,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:25,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:25,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:25,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:25,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:25,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:25,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:25,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:25,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:25,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:25,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:25,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:25,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:25,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:25,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:25,967 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-26 16:57:26,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:26,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:26,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:26,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:26,542 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:26,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-26 16:57:26,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2ce9638/2042a285c63d47638ef2b87e96bc1e91/FLAG1cbc836d4 [2019-11-26 16:57:27,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:27,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-26 16:57:27,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2ce9638/2042a285c63d47638ef2b87e96bc1e91/FLAG1cbc836d4 [2019-11-26 16:57:27,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2ce9638/2042a285c63d47638ef2b87e96bc1e91 [2019-11-26 16:57:27,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:27,650 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:27,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:27,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:27,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:27,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:27" (1/1) ... [2019-11-26 16:57:27,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4768dff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:27, skipping insertion in model container [2019-11-26 16:57:27,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:27" (1/1) ... [2019-11-26 16:57:27,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:27,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:28,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:28,187 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:28,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:28,257 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:28,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28 WrapperNode [2019-11-26 16:57:28,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:28,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:28,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:28,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:28,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:28,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:28,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:28,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:28,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:28,484 INFO L168 Benchmark]: Toolchain (without parser) took 830.72 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:28,487 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. [2019-11-26 16:57:28,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.65 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 16:57:28,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.20 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:28,493 INFO L168 Benchmark]: Boogie Preprocessor took 39.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:28,502 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 609.65 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 173.20 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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 0.1.24-025d5a2 [2019-11-26 16:57:32,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:32,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:32,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:32,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:32,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:32,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:32,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:32,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:32,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:32,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:32,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:32,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:32,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:32,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:32,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:32,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:32,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:32,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:32,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:32,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:32,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:32,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:32,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:32,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:32,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:32,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:32,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:32,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:32,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:32,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:32,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:32,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:32,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:32,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:32,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:32,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:32,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:32,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:32,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:32,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:32,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:32,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:32,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:32,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:32,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:32,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:32,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:32,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:32,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:32,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:32,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:32,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:32,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:32,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:32,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:32,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:32,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:32,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:32,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:32,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:32,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:32,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:32,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:32,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:32,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:32,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:32,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:32,630 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:32,630 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:32,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:32,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:32,633 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-26 16:57:33,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:33,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:33,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:33,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:33,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:33,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-26 16:57:33,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43e80424/4ae07bae634542f5abce25fcacad0928/FLAGc7158ddb8 [2019-11-26 16:57:34,425 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:34,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-26 16:57:34,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43e80424/4ae07bae634542f5abce25fcacad0928/FLAGc7158ddb8 [2019-11-26 16:57:34,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43e80424/4ae07bae634542f5abce25fcacad0928 [2019-11-26 16:57:34,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:34,496 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:34,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:34,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:34,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:34,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510747fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34, skipping insertion in model container [2019-11-26 16:57:34,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:34,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:35,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:35,045 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:35,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:35,126 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:35,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35 WrapperNode [2019-11-26 16:57:35,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:35,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:35,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:35,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:35,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:35,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:35,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:35,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:35,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:35" (1/1) ... [2019-11-26 16:57:35,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:35,397 INFO L168 Benchmark]: Toolchain (without parser) took 896.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:35,402 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:35,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.28 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 16:57:35,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.59 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:35,413 INFO L168 Benchmark]: Boogie Preprocessor took 72.63 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:35,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 626.28 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 184.59 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.63 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...