./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.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 eb63ba8209b4429912d8171cad5a1e8773f9c13b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-simp3.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 eb63ba8209b4429912d8171cad5a1e8773f9c13b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:39,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:39,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:39,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:39,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:39,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:39,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:39,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:39,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:39,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:39,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:39,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:39,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:39,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:39,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:39,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:39,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:39,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:39,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:39,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:39,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:39,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:39,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:39,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:39,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:39,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:39,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:39,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:39,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:39,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:39,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:39,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:39,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:39,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:39,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:39,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:39,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:39,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:39,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:39,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:39,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:39,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:39,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:39,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:39,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:39,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:39,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:39,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:39,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:39,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:39,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:39,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:39,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:39,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:39,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:39,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:39,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:39,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:39,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:39,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:39,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:39,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:39,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:39,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:39,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:39,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:39,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:39,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:39,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:39,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:39,258 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 -> eb63ba8209b4429912d8171cad5a1e8773f9c13b [2019-11-27 09:44:39,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:39,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:39,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:39,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:39,747 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:39,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2019-11-27 09:44:39,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6686c5df9/9e0bdc57a5e74461aeb374a34497759c/FLAG54979b5b6 [2019-11-27 09:44:40,512 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:40,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2019-11-27 09:44:40,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6686c5df9/9e0bdc57a5e74461aeb374a34497759c/FLAG54979b5b6 [2019-11-27 09:44:40,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6686c5df9/9e0bdc57a5e74461aeb374a34497759c [2019-11-27 09:44:40,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:40,874 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:40,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:40,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:40,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:40,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:40" (1/1) ... [2019-11-27 09:44:40,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:40, skipping insertion in model container [2019-11-27 09:44:40,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:40" (1/1) ... [2019-11-27 09:44:40,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:40,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:41,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:41,200 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:41,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:41,230 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:41,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41 WrapperNode [2019-11-27 09:44:41,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:41,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:41,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:41,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:41,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:41,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:41,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:41,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:41,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:41,354 INFO L168 Benchmark]: Toolchain (without parser) took 478.69 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:41,356 INFO L168 Benchmark]: CDTParser took 1.71 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. [2019-11-27 09:44:41,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.15 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. [2019-11-27 09:44:41,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.53 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:41,359 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 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. [2019-11-27 09:44:41,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 356.15 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 95.53 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 22.90 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-da95e15 [2019-11-27 09:44:44,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:44,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:44,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:44,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:44,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:44,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:44,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:44,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:44,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:44,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:44,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:44,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:44,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:44,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:44,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:44,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:44,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:44,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:44,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:44,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:44,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:44,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:44,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:44,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:44,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:44,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:44,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:44,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:44,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:44,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:44,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:44,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:44,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:44,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:44,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:44,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:44,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:44,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:44,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:44,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:44,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:44,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:44,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:44,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:44,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:44,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:44,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:44,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:44,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:44,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:44,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:44,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:44,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:44,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:44,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:44,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:44,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:44,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:44,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:44,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:44,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:44,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:44,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:44,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:44,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:44,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:44,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:44,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:44,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:44,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:44,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:44,252 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 -> eb63ba8209b4429912d8171cad5a1e8773f9c13b [2019-11-27 09:44:44,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:44,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:44,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:44,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:44,757 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:44,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2019-11-27 09:44:44,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5117cae9/f685d658ed014ac385c0c9964ea81bbb/FLAGf1254c525 [2019-11-27 09:44:45,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:45,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2019-11-27 09:44:45,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5117cae9/f685d658ed014ac385c0c9964ea81bbb/FLAGf1254c525 [2019-11-27 09:44:45,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5117cae9/f685d658ed014ac385c0c9964ea81bbb [2019-11-27 09:44:45,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:45,927 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:45,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:45,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:45,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:45,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:45" (1/1) ... [2019-11-27 09:44:45,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31208cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:45, skipping insertion in model container [2019-11-27 09:44:45,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:45" (1/1) ... [2019-11-27 09:44:45,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:45,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:46,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:46,310 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:46,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:46,465 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:46,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46 WrapperNode [2019-11-27 09:44:46,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:46,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:46,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:46,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:46,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:46,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:46,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:46,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:46,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:46" (1/1) ... [2019-11-27 09:44:46,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:46,581 INFO L168 Benchmark]: Toolchain (without parser) took 650.03 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 989.8 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:46,583 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:46,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:46,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.24 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. [2019-11-27 09:44:46,590 INFO L168 Benchmark]: Boogie Preprocessor took 51.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:46,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 537.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 56.24 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. * Boogie Preprocessor took 51.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...