./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.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/Double_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 14660901cc5c4d61dda44d0e62586d716b569100 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_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 14660901cc5c4d61dda44d0e62586d716b569100 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:58:22,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:22,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:23,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:23,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:23,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:23,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:23,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:23,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:23,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:23,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:23,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:23,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:23,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:23,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:23,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:23,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:23,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:23,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:23,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:23,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:23,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:23,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:23,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:23,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:23,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:23,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:23,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:23,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:23,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:23,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:23,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:23,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:23,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:23,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:23,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:23,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:23,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:23,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:23,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:23,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:23,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:23,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:23,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:23,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:23,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:23,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:23,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:23,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:23,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:23,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:23,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:23,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:23,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:23,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:23,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:23,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:23,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:23,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:23,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:23,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:23,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:23,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:23,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:23,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:23,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:23,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:23,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:23,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:23,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:23,261 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 -> 14660901cc5c4d61dda44d0e62586d716b569100 [2019-11-26 16:58:23,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:23,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:23,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:23,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:23,884 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:23,888 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-26 16:58:24,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cb0f05c/58a0eba7b88e49caae976bd3ca314ab5/FLAGf8f8e86b7 [2019-11-26 16:58:25,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:25,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-26 16:58:25,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cb0f05c/58a0eba7b88e49caae976bd3ca314ab5/FLAGf8f8e86b7 [2019-11-26 16:58:25,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cb0f05c/58a0eba7b88e49caae976bd3ca314ab5 [2019-11-26 16:58:25,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:25,130 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:25,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:25,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:25,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:25,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3514b78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25, skipping insertion in model container [2019-11-26 16:58:25,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:25,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:25,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:25,676 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:25,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:25,730 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:25,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25 WrapperNode [2019-11-26 16:58:25,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:25,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:25,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:25,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:25,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:25,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:25,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:25,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:25,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:25" (1/1) ... [2019-11-26 16:58:25,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:25,963 INFO L168 Benchmark]: Toolchain (without parser) took 825.45 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:25,965 INFO L168 Benchmark]: CDTParser took 2.89 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 16:58:25,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.62 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 16:58:25,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.79 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 16:58:25,975 INFO L168 Benchmark]: Boogie Preprocessor took 50.60 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:25,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89 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 601.62 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 157.79 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 50.60 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:29,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:29,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:29,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:29,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:29,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:29,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:29,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:30,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:30,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:30,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:30,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:30,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:30,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:30,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:30,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:30,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:30,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:30,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:30,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:30,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:30,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:30,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:30,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:30,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:30,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:30,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:30,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:30,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:30,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:30,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:30,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:30,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:30,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:30,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:30,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:30,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:30,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:30,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:30,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:30,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:30,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:30,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:30,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:30,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:30,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:30,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:30,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:30,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:30,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:30,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:30,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:30,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:30,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:30,184 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:30,185 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:30,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:30,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:30,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:30,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:30,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:30,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:30,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:30,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:30,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:30,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:30,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:30,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:30,192 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:30,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:30,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:30,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:30,197 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 -> 14660901cc5c4d61dda44d0e62586d716b569100 [2019-11-26 16:58:30,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:30,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:30,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:30,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:30,874 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:30,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-26 16:58:31,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93535227/1fc3d593703c4997bc1037aa6ded9adf/FLAG3b6cb5651 [2019-11-26 16:58:31,997 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:31,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-26 16:58:32,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93535227/1fc3d593703c4997bc1037aa6ded9adf/FLAG3b6cb5651 [2019-11-26 16:58:32,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93535227/1fc3d593703c4997bc1037aa6ded9adf [2019-11-26 16:58:32,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:32,074 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:32,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:32,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:32,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:32,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3514b78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32, skipping insertion in model container [2019-11-26 16:58:32,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:32,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:32,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:32,622 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:32,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:32,703 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:32,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32 WrapperNode [2019-11-26 16:58:32,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:32,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:32,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:32,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:32,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:32,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:32,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:32,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:32,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:32,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:33,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:32" (1/1) ... [2019-11-26 16:58:33,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:33,023 INFO L168 Benchmark]: Toolchain (without parser) took 944.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:33,026 INFO L168 Benchmark]: CDTParser took 2.03 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 16:58:33,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.44 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:33,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:33,038 INFO L168 Benchmark]: Boogie Preprocessor took 64.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 16:58:33,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.03 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 628.44 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 236.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...