./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_union_tight.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/float-benchs/cast_union_tight.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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-benchs/cast_union_tight.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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:57:45,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:45,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:45,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:45,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:45,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:45,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:45,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:45,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:45,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:45,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:45,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:45,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:45,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:45,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:45,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:45,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:45,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:45,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:45,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:45,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:45,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:45,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:45,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:45,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:45,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:45,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:45,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:45,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:45,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:45,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:45,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:45,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:45,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:45,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:45,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:45,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:45,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:45,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:45,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:45,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:45,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:45,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:45,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:45,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:45,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:45,811 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:45,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:45,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:45,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:45,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:45,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:45,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:45,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:45,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:45,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:45,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:45,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:45,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:45,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:45,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:45,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:45,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:45,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:45,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:45,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:45,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:45,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:45,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:45,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:45,827 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-11-26 16:57:46,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:46,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:46,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:46,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:46,409 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:46,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-26 16:57:46,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4385a422/122948e8f6ce42d8afe45f6664e8e283/FLAGde7d93477 [2019-11-26 16:57:47,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:47,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-26 16:57:47,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4385a422/122948e8f6ce42d8afe45f6664e8e283/FLAGde7d93477 [2019-11-26 16:57:47,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4385a422/122948e8f6ce42d8afe45f6664e8e283 [2019-11-26 16:57:47,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:47,753 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:47,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:47,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:47,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:47,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:47" (1/1) ... [2019-11-26 16:57:47,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5336134e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:47, skipping insertion in model container [2019-11-26 16:57:47,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:47" (1/1) ... [2019-11-26 16:57:47,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:47,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:48,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:48,260 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:48,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:48,333 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:48,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48 WrapperNode [2019-11-26 16:57:48,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:48,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:48,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:48,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:48,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:48,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:48,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:48,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:48,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:48" (1/1) ... [2019-11-26 16:57:48,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:48,589 INFO L168 Benchmark]: Toolchain (without parser) took 817.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:48,590 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 16:57:48,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:48,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:48,602 INFO L168 Benchmark]: Boogie Preprocessor took 75.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 16:57:48,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 579.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 149.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:52,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:52,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:52,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:52,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:52,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:52,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:52,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:52,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:52,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:52,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:52,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:52,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:52,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:52,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:52,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:52,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:52,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:52,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:52,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:52,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:52,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:52,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:52,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:52,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:52,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:52,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:52,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:52,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:52,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:52,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:52,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:52,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:52,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:52,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:52,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:52,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:52,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:52,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:52,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:52,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:52,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:52,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:52,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:52,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:52,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:52,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:52,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:52,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:52,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:52,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:52,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:52,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:52,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:52,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:52,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:52,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:52,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:52,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:52,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:52,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:52,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:52,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:52,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:52,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:52,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:52,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:52,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:52,557 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:52,557 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:52,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:52,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:52,559 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-11-26 16:57:53,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:53,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:53,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:53,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:53,152 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:53,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-26 16:57:53,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e34066/d68c949323b74feea47951a54caa8945/FLAG0c74a3543 [2019-11-26 16:57:54,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:54,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-26 16:57:54,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e34066/d68c949323b74feea47951a54caa8945/FLAG0c74a3543 [2019-11-26 16:57:54,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e34066/d68c949323b74feea47951a54caa8945 [2019-11-26 16:57:54,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:54,421 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:54,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:54,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:54,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:54,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54, skipping insertion in model container [2019-11-26 16:57:54,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:54,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:54,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:54,995 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:55,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:55,299 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:55,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55 WrapperNode [2019-11-26 16:57:55,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:55,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:55,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:55,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:55,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:55,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:55,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:55,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:55,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:55,520 INFO L168 Benchmark]: Toolchain (without parser) took 1093.92 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:55,521 INFO L168 Benchmark]: CDTParser took 2.64 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 16:57:55,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.19 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:55,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.48 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:55,528 INFO L168 Benchmark]: Boogie Preprocessor took 82.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:55,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 880.19 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.48 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 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...