./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1231.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-newlib/float_req_bl_1231.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 65a8838494b0fa2a560742eb829642f08a5d8cc8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1231.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 65a8838494b0fa2a560742eb829642f08a5d8cc8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:00:56,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:56,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:56,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:56,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:56,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:56,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:56,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:56,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:56,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:56,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:56,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:56,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:56,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:56,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:56,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:56,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:56,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:56,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:56,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:56,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:56,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:56,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:56,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:56,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:56,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:56,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:56,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:56,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:56,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:56,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:56,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:56,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:56,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:56,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:56,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:56,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:56,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:56,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:56,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:56,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:56,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:56,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:56,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:56,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:56,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:56,644 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:56,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:56,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:56,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:56,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:56,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:56,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:56,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:56,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:56,647 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:56,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:56,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:56,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:56,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:56,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:56,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:56,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:56,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:56,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:56,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:56,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:56,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:56,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:56,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:56,655 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 -> 65a8838494b0fa2a560742eb829642f08a5d8cc8 [2019-11-26 17:00:57,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:57,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:57,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:57,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:57,139 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:57,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2019-11-26 17:00:57,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce383c42/d032e2773b63492ba8681b575956f3eb/FLAG49c8cb6cf [2019-11-26 17:00:57,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:57,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2019-11-26 17:00:57,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce383c42/d032e2773b63492ba8681b575956f3eb/FLAG49c8cb6cf [2019-11-26 17:00:58,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce383c42/d032e2773b63492ba8681b575956f3eb [2019-11-26 17:00:58,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:58,285 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:58,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:58,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:58,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:58,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58, skipping insertion in model container [2019-11-26 17:00:58,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:58,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:58,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:58,680 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:58,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:58,826 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:58,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58 WrapperNode [2019-11-26 17:00:58,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:58,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:58,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:58,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:58,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:58,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:58,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:58,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:58,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:58,990 INFO L168 Benchmark]: Toolchain (without parser) took 699.55 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 979.9 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:58,991 INFO L168 Benchmark]: CDTParser took 1.82 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 17:00:59,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.02 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 985.6 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:59,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:59,011 INFO L168 Benchmark]: Boogie Preprocessor took 72.41 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:59,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 537.02 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 985.6 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.41 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:01,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:01,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:01,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:01,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:01,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:01,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:01,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:01,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:01,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:01,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:01,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:01,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:01,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:01,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:01,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:01,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:01,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:01,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:01,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:01,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:01,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:01,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:01,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:01,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:01,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:01,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:01,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:01,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:01,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:01,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:01,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:01,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:01,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:01,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:01,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:01,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:01,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:01,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:01,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:01,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:01,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:01,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:01,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:01,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:01,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:01,879 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:01,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:01,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:01,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:01,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:01,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:01,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:01,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:01,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:01,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:01,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:01,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:01,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:01,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:01,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:01,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:01,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:01,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:01,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:01,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:01,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:01,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:01,890 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:01,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:01,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:01,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:01,891 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 -> 65a8838494b0fa2a560742eb829642f08a5d8cc8 [2019-11-26 17:01:02,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:02,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:02,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:02,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:02,412 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:02,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2019-11-26 17:01:02,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c760659fd/b51d828f150745aeb4ba271e7b74ee55/FLAG700be639e [2019-11-26 17:01:03,244 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:03,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2019-11-26 17:01:03,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c760659fd/b51d828f150745aeb4ba271e7b74ee55/FLAG700be639e [2019-11-26 17:01:03,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c760659fd/b51d828f150745aeb4ba271e7b74ee55 [2019-11-26 17:01:03,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:03,589 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:03,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:03,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:03,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:03,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:03" (1/1) ... [2019-11-26 17:01:03,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a61c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:03, skipping insertion in model container [2019-11-26 17:01:03,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:03" (1/1) ... [2019-11-26 17:01:03,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:03,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:03,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:03,980 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:04,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:04,155 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:04,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04 WrapperNode [2019-11-26 17:01:04,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:04,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:04,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:04,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:04,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:04,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:04,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:04,328 INFO L168 Benchmark]: Toolchain (without parser) took 738.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 984.2 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:04,329 INFO L168 Benchmark]: CDTParser took 0.24 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 17:01:04,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 989.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:04,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:04,335 INFO L168 Benchmark]: Boogie Preprocessor took 77.75 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:04,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 562.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 989.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.75 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 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...