./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.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/floats-esbmc-regression/Float_div.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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:58:22,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:22,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:22,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:22,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:22,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:22,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:22,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:22,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:22,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:22,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:22,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:22,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:22,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:22,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:22,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:22,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:22,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:22,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:22,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:22,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:22,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:22,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:22,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:22,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:22,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:22,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:22,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:22,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:22,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:22,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:22,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:22,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:22,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:22,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:22,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:22,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:22,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:22,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:22,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:22,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:22,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:22,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:22,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:22,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:22,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:22,930 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:22,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:22,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:22,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:22,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:22,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:22,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:22,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:22,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:22,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:22,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:22,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:22,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:22,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:22,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:22,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:22,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:22,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:22,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:22,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:22,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:22,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:22,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:22,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:22,944 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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2019-11-26 16:58:23,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:23,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:23,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:23,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:23,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:23,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-26 16:58:23,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f82ea8d/047ef48decc44d3aac4891610d348d72/FLAG2a83c83a8 [2019-11-26 16:58:24,115 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:24,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-26 16:58:24,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f82ea8d/047ef48decc44d3aac4891610d348d72/FLAG2a83c83a8 [2019-11-26 16:58:24,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f82ea8d/047ef48decc44d3aac4891610d348d72 [2019-11-26 16:58:24,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:24,498 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:24,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:24,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:24,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:24,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24, skipping insertion in model container [2019-11-26 16:58:24,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:24,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:24,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:24,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:24,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:24,882 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:24,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24 WrapperNode [2019-11-26 16:58:24,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:24,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:24,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:24,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:24,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:24,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:24,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:24,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:24,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:24,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:25,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:25,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:25,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:24" (1/1) ... [2019-11-26 16:58:25,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:25,013 INFO L168 Benchmark]: Toolchain (without parser) took 509.38 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:25,015 INFO L168 Benchmark]: CDTParser took 0.24 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 16:58:25,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.87 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 16:58:25,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:25,032 INFO L168 Benchmark]: Boogie Preprocessor took 24.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:25,040 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 380.87 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 92.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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 16:58:27,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:27,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:27,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:27,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:27,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:27,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:27,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:27,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:27,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:27,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:27,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:27,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:27,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:27,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:27,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:27,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:27,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:27,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:27,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:27,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:27,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:27,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:27,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:27,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:27,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:27,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:27,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:27,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:27,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:27,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:27,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:27,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:27,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:27,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:27,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:27,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:27,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:27,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:27,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:27,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:27,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:27,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:27,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:27,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:27,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:27,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:27,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:27,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:27,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:27,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:27,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:27,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:27,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:27,938 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:27,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:27,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:27,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:27,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:27,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:27,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:27,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:27,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:27,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:27,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:27,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:27,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:27,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:27,944 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:27,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:27,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:27,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:27,946 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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2019-11-26 16:58:28,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:28,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:28,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:28,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:28,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:28,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-26 16:58:28,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8af69062/13c59daf366945c2b17350c2274f5b42/FLAGe5d99c0bc [2019-11-26 16:58:29,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:29,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-26 16:58:29,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8af69062/13c59daf366945c2b17350c2274f5b42/FLAGe5d99c0bc [2019-11-26 16:58:29,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8af69062/13c59daf366945c2b17350c2274f5b42 [2019-11-26 16:58:29,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:29,570 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:29,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:29,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:29,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:29,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:29,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c33f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29, skipping insertion in model container [2019-11-26 16:58:29,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:29,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:29,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:29,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:29,932 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:29,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:29,963 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:29,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29 WrapperNode [2019-11-26 16:58:29,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:29,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:29,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:29,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:30,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:30,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:30,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:30,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:30,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:29" (1/1) ... [2019-11-26 16:58:30,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:30,114 INFO L168 Benchmark]: Toolchain (without parser) took 537.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:30,125 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:30,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.34 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:30,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:30,133 INFO L168 Benchmark]: Boogie Preprocessor took 40.00 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:30,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 390.34 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 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 99.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.00 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 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...