./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/float2.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 5a9c16fc526c8975deb8347cefa91cf6b0e12443 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float2.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 5a9c16fc526c8975deb8347cefa91cf6b0e12443 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:31,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:31,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:31,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:31,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:31,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:31,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:31,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:31,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:31,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:31,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:31,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:31,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:31,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:31,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:31,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:31,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:31,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:31,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:31,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:31,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:31,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:31,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:31,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:31,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:31,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:31,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:31,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:31,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:31,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:31,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:31,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:31,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:31,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:31,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:31,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:31,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:31,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:31,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:31,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:31,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:31,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:31,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:31,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:31,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:31,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:31,824 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:31,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:31,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:31,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:31,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:31,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:31,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:31,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:31,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:31,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:31,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:31,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:31,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:31,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:31,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:31,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:31,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:31,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:31,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:31,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:31,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:31,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:31,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:31,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:31,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:31,841 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 -> 5a9c16fc526c8975deb8347cefa91cf6b0e12443 [2019-11-24 21:03:32,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:32,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:32,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:32,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:32,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:32,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-24 21:03:32,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255920bc1/93dd7e6e1bab491cb33099e33175a312/FLAGa5c7de725 [2019-11-24 21:03:33,594 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:33,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-24 21:03:33,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255920bc1/93dd7e6e1bab491cb33099e33175a312/FLAGa5c7de725 [2019-11-24 21:03:33,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255920bc1/93dd7e6e1bab491cb33099e33175a312 [2019-11-24 21:03:33,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:33,671 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:33,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:33,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:33,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:33,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:33" (1/1) ... [2019-11-24 21:03:33,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3ffb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:33, skipping insertion in model container [2019-11-24 21:03:33,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:33" (1/1) ... [2019-11-24 21:03:33,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:33,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:34,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:34,186 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:34,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:34,228 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34 WrapperNode [2019-11-24 21:03:34,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:34,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:34,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:34,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:34,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:34,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:34,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:34,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:34,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:34" (1/1) ... [2019-11-24 21:03:34,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:34,457 INFO L168 Benchmark]: Toolchain (without parser) took 786.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:34,460 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:34,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.16 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. [2019-11-24 21:03:34,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.59 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:34,474 INFO L168 Benchmark]: Boogie Preprocessor took 52.61 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:34,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 564.16 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 153.59 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.61 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-32f2683 [2019-11-24 21:03:38,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:38,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:38,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:38,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:38,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:38,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:38,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:38,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:38,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:38,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:38,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:38,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:38,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:38,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:38,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:38,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:38,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:38,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:38,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:38,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:38,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:38,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:38,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:38,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:38,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:38,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:38,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:38,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:38,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:38,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:38,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:38,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:38,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:38,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:38,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:38,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:38,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:38,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:38,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:38,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:38,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:38,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:38,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:38,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:38,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:38,709 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:38,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:38,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:38,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:38,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:38,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:38,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:38,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:38,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:38,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:38,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:38,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:38,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:38,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:38,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:38,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:38,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:38,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:38,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:38,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:38,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:38,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:38,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:38,725 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:38,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:38,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:38,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:38,729 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 -> 5a9c16fc526c8975deb8347cefa91cf6b0e12443 [2019-11-24 21:03:39,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:39,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:39,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:39,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:39,319 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:39,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-24 21:03:39,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f830728/cc4b1d3d5d314957b05180624c8c1dfd/FLAG84d2400df [2019-11-24 21:03:40,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:40,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-24 21:03:40,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f830728/cc4b1d3d5d314957b05180624c8c1dfd/FLAG84d2400df [2019-11-24 21:03:40,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f830728/cc4b1d3d5d314957b05180624c8c1dfd [2019-11-24 21:03:40,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:40,691 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:40,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:40,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:40,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:40,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:40" (1/1) ... [2019-11-24 21:03:40,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:40, skipping insertion in model container [2019-11-24 21:03:40,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:40" (1/1) ... [2019-11-24 21:03:40,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:40,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:41,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:41,246 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:41,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:41,338 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:41,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41 WrapperNode [2019-11-24 21:03:41,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:41,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:41,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:41,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:41,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:41,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:41,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:41,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:41,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:41" (1/1) ... [2019-11-24 21:03:41,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:41,603 INFO L168 Benchmark]: Toolchain (without parser) took 907.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.6 MB in the beginning and 991.2 MB in the end (delta: -26.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:41,608 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:41,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.54 ms. Allocated memory is still 1.0 GB. Free memory was 964.6 MB in the beginning and 953.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:41,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 997.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:41,618 INFO L168 Benchmark]: Boogie Preprocessor took 83.54 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. [2019-11-24 21:03:41,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 645.54 ms. Allocated memory is still 1.0 GB. Free memory was 964.6 MB in the beginning and 953.1 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 168.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 997.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.54 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...