./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1250.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1250.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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-newlib/float_req_bl_1250.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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:58,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:58,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:58,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:58,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:58,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:58,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:58,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:58,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:58,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:58,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:58,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:58,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:58,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:58,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:58,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:58,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:58,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:58,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:58,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:58,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:58,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:58,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:58,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:58,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:58,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:58,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:58,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:58,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:58,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:58,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:58,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:58,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:58,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:58,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:58,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:58,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:58,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:58,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:58,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:58,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:58,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:58,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:58,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:58,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:58,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:58,407 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:58,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:58,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:58,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:58,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:58,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:58,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:58,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:58,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:58,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:58,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:58,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:58,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:58,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:58,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:58,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:58,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:58,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:58,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:58,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:58,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:58,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:58,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:58,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:58,423 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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2019-11-26 17:00:58,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:59,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:59,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:59,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:59,022 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:59,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2019-11-26 17:00:59,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bae78fb/34dd9474f7934997b2518d58cf9521b3/FLAGbfe2bab7c [2019-11-26 17:01:00,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:00,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2019-11-26 17:01:00,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bae78fb/34dd9474f7934997b2518d58cf9521b3/FLAGbfe2bab7c [2019-11-26 17:01:00,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bae78fb/34dd9474f7934997b2518d58cf9521b3 [2019-11-26 17:01:00,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:00,314 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:00,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:00,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:00,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:00,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:00" (1/1) ... [2019-11-26 17:01:00,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:00, skipping insertion in model container [2019-11-26 17:01:00,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:00" (1/1) ... [2019-11-26 17:01:00,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:00,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:00,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:00,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:01,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:01,103 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:01,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01 WrapperNode [2019-11-26 17:01:01,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:01,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:01,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:01,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:01,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:01,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:01,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:01,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:01,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:01,310 INFO L168 Benchmark]: Toolchain (without parser) took 996.47 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:01,314 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:01,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:01,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:01,323 INFO L168 Benchmark]: Boogie Preprocessor took 91.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:01,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 793.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:05,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:05,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:05,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:05,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:05,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:05,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:05,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:05,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:05,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:05,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:05,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:05,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:05,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:05,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:05,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:05,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:05,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:05,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:05,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:05,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:05,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:05,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:05,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:05,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:05,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:05,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:05,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:05,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:05,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:05,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:05,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:05,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:05,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:05,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:05,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:05,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:05,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:05,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:05,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:05,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:05,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:05,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:05,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:05,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:05,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:05,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:05,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:05,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:05,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:05,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:05,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:05,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:05,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:05,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:05,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:05,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:05,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:05,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:05,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:05,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:05,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:05,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:05,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:05,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:05,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:05,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:05,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:05,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:05,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:05,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:05,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:05,376 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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2019-11-26 17:01:05,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:05,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:05,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:05,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:05,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:06,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2019-11-26 17:01:06,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5818677c/a1d6ab5a4f54475bb610a3b5f51d7aae/FLAG9b156ff74 [2019-11-26 17:01:07,168 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:07,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2019-11-26 17:01:07,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5818677c/a1d6ab5a4f54475bb610a3b5f51d7aae/FLAG9b156ff74 [2019-11-26 17:01:07,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5818677c/a1d6ab5a4f54475bb610a3b5f51d7aae [2019-11-26 17:01:07,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:07,347 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:07,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:07,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:07,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:07,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668d757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07, skipping insertion in model container [2019-11-26 17:01:07,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:07,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:07,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:07,943 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:08,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:08,192 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:08,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08 WrapperNode [2019-11-26 17:01:08,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:08,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:08,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:08,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:08,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:08,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:08,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:08,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:08,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:08,398 INFO L168 Benchmark]: Toolchain (without parser) took 1050.07 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 989.5 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:08,399 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:08,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.04 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 996.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:08,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.6 MB in the beginning and 990.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:08,408 INFO L168 Benchmark]: Boogie Preprocessor took 86.92 ms. Allocated memory is still 1.0 GB. Free memory was 990.9 MB in the beginning and 989.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:08,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 844.04 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 996.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.6 MB in the beginning and 990.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.92 ms. Allocated memory is still 1.0 GB. Free memory was 990.9 MB in the beginning and 989.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...