./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/Float_div_bad.i.p+cfa-reducer.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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Float_div_bad.i.p+cfa-reducer.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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:37,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:37,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:37,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:37,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:37,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:37,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:37,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:37,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:37,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:37,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:37,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:37,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:37,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:37,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:37,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:37,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:37,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:37,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:37,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:37,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:37,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:37,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:37,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:37,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:37,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:37,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:37,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:37,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:37,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:37,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:37,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:37,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:37,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:37,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:37,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:37,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:37,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:37,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:37,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:37,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:37,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:37,984 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:37,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:37,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:37,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:37,994 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:37,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:37,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:37,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:37,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:37,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:37,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:37,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:37,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:38,000 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:38,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:38,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:38,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:38,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:38,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:38,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:38,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:38,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:38,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:38,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:38,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:38,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:38,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:38,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:38,012 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2019-11-27 09:45:38,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:38,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:38,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:38,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:38,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:38,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-27 09:45:38,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ef1e44f/b74521bd9dd84798a0b15df64d05d1b9/FLAG7f339d19b [2019-11-27 09:45:39,759 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:39,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-27 09:45:39,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ef1e44f/b74521bd9dd84798a0b15df64d05d1b9/FLAG7f339d19b [2019-11-27 09:45:39,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ef1e44f/b74521bd9dd84798a0b15df64d05d1b9 [2019-11-27 09:45:39,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:39,828 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:39,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:39,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:39,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:39,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:39" (1/1) ... [2019-11-27 09:45:39,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b2e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:39, skipping insertion in model container [2019-11-27 09:45:39,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:39" (1/1) ... [2019-11-27 09:45:39,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:39,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:40,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:40,370 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:40,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:40,446 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:40,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40 WrapperNode [2019-11-27 09:45:40,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:40,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:40,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:40,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:40,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:40,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:40,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:40,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:40,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:40,660 INFO L168 Benchmark]: Toolchain (without parser) took 827.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:40,662 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-27 09:45:40,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.88 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. [2019-11-27 09:45:40,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:40,679 INFO L168 Benchmark]: Boogie Preprocessor took 40.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:40,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 615.88 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 160.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:44,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:44,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:44,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:44,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:44,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:44,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:44,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:44,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:44,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:44,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:44,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:44,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:44,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:44,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:44,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:44,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:44,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:44,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:44,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:44,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:44,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:44,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:44,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:44,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:44,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:44,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:44,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:44,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:44,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:44,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:44,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:44,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:44,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:44,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:44,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:44,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:44,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:44,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:44,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:44,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:44,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:44,850 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:44,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:44,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:44,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:44,857 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:44,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:44,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:44,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:44,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:44,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:44,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:44,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:44,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:44,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:44,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:44,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:44,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:44,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:44,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:44,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:44,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:44,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:44,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:44,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:44,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:44,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:44,873 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:44,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:44,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:44,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:44,875 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2019-11-27 09:45:45,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:45,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:45,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:45,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:45,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:45,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-27 09:45:45,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef809a87/0d1bf741039243a0a0c13e86eb0d00bc/FLAGd6845e4fe [2019-11-27 09:45:46,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:46,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-27 09:45:46,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef809a87/0d1bf741039243a0a0c13e86eb0d00bc/FLAGd6845e4fe [2019-11-27 09:45:46,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef809a87/0d1bf741039243a0a0c13e86eb0d00bc [2019-11-27 09:45:46,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:46,717 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:46,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:46,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:46,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:46,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:46" (1/1) ... [2019-11-27 09:45:46,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3a7aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:46, skipping insertion in model container [2019-11-27 09:45:46,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:46" (1/1) ... [2019-11-27 09:45:46,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:46,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:47,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:47,230 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:47,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:47,298 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:47,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47 WrapperNode [2019-11-27 09:45:47,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:47,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:47,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:47,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:47,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:47,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:47,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:47,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:47,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:47" (1/1) ... [2019-11-27 09:45:47,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:47,579 INFO L168 Benchmark]: Toolchain (without parser) took 853.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 991.2 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:47,581 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:47,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.59 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:47,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 997.0 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:47,590 INFO L168 Benchmark]: Boogie Preprocessor took 84.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:47,601 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 577.59 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 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 167.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 997.0 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...