./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-cbmc-regression/float-no-simp6.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 c87f23af740954e6de1a94dd09957e85cd60c58b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-cbmc-regression/float-no-simp6.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 c87f23af740954e6de1a94dd09957e85cd60c58b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:49:39,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:39,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:40,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:40,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:40,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:40,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:40,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:40,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:40,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:40,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:40,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:40,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:40,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:40,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:40,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:40,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:40,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:40,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:40,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:40,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:40,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:40,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:40,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:40,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:40,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:40,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:40,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:40,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:40,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:40,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:40,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:40,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:40,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:40,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:40,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:40,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:40,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:40,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:40,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:40,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:40,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:40,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:40,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:40,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:40,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:40,226 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:40,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:40,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:40,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:40,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:40,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:40,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:40,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:40,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:40,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:40,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:40,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:40,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:40,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:40,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:40,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:40,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:40,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:40,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:40,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:40,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:40,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:40,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:40,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:40,242 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 -> c87f23af740954e6de1a94dd09957e85cd60c58b [2019-11-25 22:49:40,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:40,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:40,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:40,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:40,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:40,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2019-11-25 22:49:40,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89d0ec8e/e225397aec0f4d169f028f1eaea806e4/FLAGe7752b6c2 [2019-11-25 22:49:41,997 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:41,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2019-11-25 22:49:42,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89d0ec8e/e225397aec0f4d169f028f1eaea806e4/FLAGe7752b6c2 [2019-11-25 22:49:42,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89d0ec8e/e225397aec0f4d169f028f1eaea806e4 [2019-11-25 22:49:42,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:42,069 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:42,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:42,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:42,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:42,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42, skipping insertion in model container [2019-11-25 22:49:42,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:42,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:42,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:42,630 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:42,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:42,799 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:42,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42 WrapperNode [2019-11-25 22:49:42,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:42,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:42,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:42,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:42,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:42,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:42,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:42,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:42,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:42,941 INFO L168 Benchmark]: Toolchain (without parser) took 852.50 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. [2019-11-25 22:49:42,942 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-25 22:49:42,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.59 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:42,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.38 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. [2019-11-25 22:49:42,949 INFO L168 Benchmark]: Boogie Preprocessor took 29.25 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. [2019-11-25 22:49:42,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 733.59 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 81.38 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. * Boogie Preprocessor took 29.25 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 0.1.24-65d6cd2 [2019-11-25 22:49:46,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:46,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:46,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:46,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:46,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:46,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:46,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:46,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:46,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:46,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:46,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:46,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:46,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:46,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:46,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:46,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:46,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:46,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:46,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:46,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:46,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:46,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:46,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:47,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:47,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:47,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:47,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:47,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:47,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:47,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:47,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:47,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:47,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:47,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:47,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:47,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:47,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:47,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:47,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:47,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:47,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:47,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:47,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:47,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:47,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:47,085 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:47,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:47,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:47,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:47,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:47,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:47,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:47,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:47,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:47,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:47,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:47,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:47,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:47,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:47,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:47,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:47,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:47,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:47,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:47,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:47,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:47,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:47,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:47,102 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:47,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:47,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:47,106 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 -> c87f23af740954e6de1a94dd09957e85cd60c58b [2019-11-25 22:49:47,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:47,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:47,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:47,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:47,745 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:47,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2019-11-25 22:49:47,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e33f69fc/884ac6303eb44070be7e4c7b12bd913d/FLAGd65c72c06 [2019-11-25 22:49:48,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:48,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2019-11-25 22:49:48,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e33f69fc/884ac6303eb44070be7e4c7b12bd913d/FLAGd65c72c06 [2019-11-25 22:49:49,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e33f69fc/884ac6303eb44070be7e4c7b12bd913d [2019-11-25 22:49:49,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:49,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:49,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:49,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:49,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:49,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49, skipping insertion in model container [2019-11-25 22:49:49,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:49,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:49,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:49,603 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:49,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:49,785 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:49,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49 WrapperNode [2019-11-25 22:49:49,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:49,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:49,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:49,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:49,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:49,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:49,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:49,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:49,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:49" (1/1) ... [2019-11-25 22:49:49,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:49,929 INFO L168 Benchmark]: Toolchain (without parser) took 873.73 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:49,930 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-25 22:49:49,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.94 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:49,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.14 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:49,947 INFO L168 Benchmark]: Boogie Preprocessor took 60.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:49,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 738.94 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 65.14 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...