./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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:44:46,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:44:47,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:44:47,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:44:47,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:44:47,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:44:47,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:44:47,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:44:47,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:44:47,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:44:47,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:44:47,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:44:47,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:44:47,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:44:47,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:44:47,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:44:47,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:44:47,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:44:47,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:44:47,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:44:47,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:44:47,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:44:47,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:44:47,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:44:47,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:44:47,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:44:47,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:44:47,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:44:47,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:44:47,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:44:47,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:44:47,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:44:47,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:44:47,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:44:47,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:44:47,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:44:47,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:44:47,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:44:47,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:44:47,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:44:47,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:44:47,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:44:47,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:44:47,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:44:47,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:44:47,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:44:47,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:44:47,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:44:47,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:44:47,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:44:47,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:44:47,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:44:47,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:44:47,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:44:47,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:44:47,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:44:47,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:44:47,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:44:47,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:44:47,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:44:47,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:44:47,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:44:47,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:44:47,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:44:47,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:44:47,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:44:47,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:44:47,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:44:47,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:44:47,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:44:47,239 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:44:47,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:44:47,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:44:47,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:44:47,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:44:47,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:44:47,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-20 22:44:47,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4336e83/bc2a3024984d44b3b4e18ef32cb3ed8c/FLAGb50cfe88b [2019-11-20 22:44:49,013 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:44:49,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-11-20 22:44:49,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4336e83/bc2a3024984d44b3b4e18ef32cb3ed8c/FLAGb50cfe88b [2019-11-20 22:44:49,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4336e83/bc2a3024984d44b3b4e18ef32cb3ed8c [2019-11-20 22:44:49,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:44:49,097 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:44:49,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:49,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:44:49,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:44:49,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d72baad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49, skipping insertion in model container [2019-11-20 22:44:49,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:44:49,188 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:44:49,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:49,639 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:44:49,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:49,722 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:44:49,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49 WrapperNode [2019-11-20 22:44:49,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:49,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:49,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:44:49,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:44:49,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:49,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:44:49,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:44:49,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:44:49,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:49" (1/1) ... [2019-11-20 22:44:49,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:44:49,947 INFO L168 Benchmark]: Toolchain (without parser) took 846.47 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. [2019-11-20 22:44:49,950 INFO L168 Benchmark]: CDTParser took 2.99 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. [2019-11-20 22:44:49,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.76 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. [2019-11-20 22:44:49,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.70 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:49,971 INFO L168 Benchmark]: Boogie Preprocessor took 39.76 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. [2019-11-20 22:44:49,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.99 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 626.76 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 170.70 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.76 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...