./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -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 8571d6e044ba86c3b82c24f6ff451bf497f2aedf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-esbmc-regression/Double_div.i -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 8571d6e044ba86c3b82c24f6ff451bf497f2aedf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:58:21,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:21,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:21,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:21,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:21,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:21,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:21,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:21,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:21,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:21,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:21,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:21,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:21,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:21,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:21,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:21,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:21,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:21,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:21,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:21,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:21,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:21,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:21,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:21,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:21,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:21,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:21,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:21,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:21,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:21,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:21,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:21,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:21,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:21,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:21,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:21,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:21,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:21,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:21,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:21,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:21,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:21,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:21,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:21,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:21,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:21,733 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:21,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:21,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:21,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:21,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:21,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:21,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:21,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:21,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:21,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:21,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:21,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:21,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:21,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:21,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:21,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:21,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:21,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:21,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:21,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:21,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:21,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:21,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:21,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:21,742 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 -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2019-11-26 16:58:22,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:22,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:22,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:22,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:22,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:22,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-26 16:58:22,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5cf07e8/807463a8269844c4bf2cb3790ae06e9e/FLAG0a70d09d5 [2019-11-26 16:58:23,013 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:23,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-26 16:58:23,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5cf07e8/807463a8269844c4bf2cb3790ae06e9e/FLAG0a70d09d5 [2019-11-26 16:58:23,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5cf07e8/807463a8269844c4bf2cb3790ae06e9e [2019-11-26 16:58:23,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:23,349 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:23,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:23,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:23,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:23,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eca3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23, skipping insertion in model container [2019-11-26 16:58:23,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:23,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:23,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:23,715 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:23,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:23,748 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:23,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23 WrapperNode [2019-11-26 16:58:23,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:23,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:23,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:23,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:23,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:23,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:23,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:23,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:23,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:23,881 INFO L168 Benchmark]: Toolchain (without parser) took 530.35 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:23,882 INFO L168 Benchmark]: CDTParser took 0.22 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 16:58:23,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.54 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:23,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.4 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:23,900 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:23,909 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 396.54 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 92.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.4 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:26,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:26,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:26,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:26,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:26,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:26,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:26,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:26,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:26,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:26,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:26,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:26,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:26,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:26,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:26,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:26,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:26,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:26,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:26,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:26,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:26,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:26,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:26,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:26,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:26,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:26,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:26,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:26,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:26,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:26,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:26,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:26,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:26,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:26,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:26,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:26,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:26,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:26,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:26,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:26,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:26,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:26,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:26,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:26,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:26,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:26,721 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:26,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:26,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:26,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:26,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:26,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:26,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:26,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:26,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:26,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:26,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:26,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:26,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:26,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:26,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:26,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:26,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:26,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:26,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:26,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:26,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:26,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:26,730 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:26,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:26,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:26,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:26,732 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 -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2019-11-26 16:58:27,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:27,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:27,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:27,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:27,164 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:27,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-26 16:58:27,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3f43a7e4/6abc71dca57e41b392e5cea33526c0a3/FLAG7f847cf83 [2019-11-26 16:58:27,943 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:27,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-26 16:58:27,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3f43a7e4/6abc71dca57e41b392e5cea33526c0a3/FLAG7f847cf83 [2019-11-26 16:58:28,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3f43a7e4/6abc71dca57e41b392e5cea33526c0a3 [2019-11-26 16:58:28,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:28,322 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:28,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:28,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:28,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:28,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eca3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28, skipping insertion in model container [2019-11-26 16:58:28,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:28,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:28,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:28,674 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:28,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:28,704 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:28,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28 WrapperNode [2019-11-26 16:58:28,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:28,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:28,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:28,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:28,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:28,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:28,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:28,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:28,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:28" (1/1) ... [2019-11-26 16:58:28,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:28,842 INFO L168 Benchmark]: Toolchain (without parser) took 518.67 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:28,858 INFO L168 Benchmark]: CDTParser took 0.26 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 16:58:28,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:28,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:28,864 INFO L168 Benchmark]: Boogie Preprocessor took 33.45 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:28,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 379.20 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 94.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.45 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...