./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float2.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/float2.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 5a9c16fc526c8975deb8347cefa91cf6b0e12443 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float2.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 5a9c16fc526c8975deb8347cefa91cf6b0e12443 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:44:48,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:48,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:48,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:48,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:48,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:48,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:48,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:48,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:48,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:48,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:48,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:48,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:48,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:48,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:48,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:48,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:48,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:48,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:48,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:48,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:48,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:48,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:48,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:48,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:48,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:48,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:48,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:48,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:48,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:48,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:48,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:48,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:48,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:48,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:48,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:48,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:48,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:48,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:48,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:48,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:48,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:48,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:48,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:48,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:48,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:48,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:48,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:48,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:48,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:48,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:48,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:48,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:48,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:48,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:48,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:48,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:48,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:48,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:48,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:48,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:48,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:48,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:48,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:48,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:48,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:48,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:48,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:48,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:48,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:48,358 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 -> 5a9c16fc526c8975deb8347cefa91cf6b0e12443 [2019-11-27 09:44:48,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:48,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:48,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:48,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:48,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:48,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-27 09:44:49,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e1596a9/48deaae5f89641ccb84311aef213b5d9/FLAGb8ead1b04 [2019-11-27 09:44:50,119 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:50,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-27 09:44:50,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e1596a9/48deaae5f89641ccb84311aef213b5d9/FLAGb8ead1b04 [2019-11-27 09:44:50,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e1596a9/48deaae5f89641ccb84311aef213b5d9 [2019-11-27 09:44:50,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:50,327 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:50,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:50,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:50,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:50,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658fc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50, skipping insertion in model container [2019-11-27 09:44:50,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:50,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:50,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:50,775 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:50,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:50,833 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:50,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50 WrapperNode [2019-11-27 09:44:50,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:50,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:50,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:50,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:50,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:50,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:51,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:51,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:51,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:51,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:51,049 INFO L168 Benchmark]: Toolchain (without parser) took 721.91 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:51,051 INFO L168 Benchmark]: CDTParser took 0.46 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 09:44:51,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:51,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:51,074 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:51,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 505.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.75 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:55,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:55,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:55,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:55,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:55,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:55,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:55,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:55,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:55,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:55,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:55,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:55,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:55,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:55,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:55,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:55,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:55,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:55,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:55,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:55,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:55,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:55,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:55,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:55,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:55,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:55,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:55,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:55,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:55,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:55,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:55,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:55,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:55,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:55,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:55,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:55,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:55,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:55,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:55,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:55,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:55,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:55,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:55,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:55,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:55,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:55,344 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:55,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:55,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:55,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:55,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:55,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:55,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:55,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:55,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:55,352 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:55,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:55,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:55,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:55,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:55,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:55,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:55,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:55,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:55,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:55,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:55,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:55,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:55,360 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:55,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:55,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:55,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:55,364 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 -> 5a9c16fc526c8975deb8347cefa91cf6b0e12443 [2019-11-27 09:44:55,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:56,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:56,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:56,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:56,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:56,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-27 09:44:56,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9240aa3e/ac812584f6fe43acad2aa2f4836f0c77/FLAG827c1cf32 [2019-11-27 09:44:57,135 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:57,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float2.c [2019-11-27 09:44:57,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9240aa3e/ac812584f6fe43acad2aa2f4836f0c77/FLAG827c1cf32 [2019-11-27 09:44:57,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9240aa3e/ac812584f6fe43acad2aa2f4836f0c77 [2019-11-27 09:44:57,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:57,422 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:57,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:57,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:57,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:57,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:57,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc99dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57, skipping insertion in model container [2019-11-27 09:44:57,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:57,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:57,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:57,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:57,892 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:57,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:57,945 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:57,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57 WrapperNode [2019-11-27 09:44:57,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:57,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:57,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:57,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:58,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:58,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:58,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:58,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:58,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:58,153 INFO L168 Benchmark]: Toolchain (without parser) took 728.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:58,155 INFO L168 Benchmark]: CDTParser took 2.58 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 09:44:58,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.14 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 09:44:58,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.92 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:58,177 INFO L168 Benchmark]: Boogie Preprocessor took 59.81 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. [2019-11-27 09:44:58,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 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 523.14 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 139.92 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.81 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...