./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_union_tight.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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-benchs/cast_union_tight.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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-benchs/cast_union_tight.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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:49,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:49,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:49,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:49,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:49,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:49,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:49,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:49,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:49,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:49,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:49,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:49,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:49,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:49,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:49,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:49,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:49,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:49,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:49,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:49,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:49,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:49,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:49,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:49,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:49,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:49,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:49,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:49,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:49,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:49,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:49,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:49,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:49,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:49,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:49,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:49,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:49,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:49,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:49,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:49,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:49,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:49,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:49,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:49,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:49,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:49,397 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:49,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:49,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:49,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:49,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:49,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:49,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:49,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:49,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:49,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:49,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:49,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:49,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:49,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:49,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:49,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:49,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:49,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:49,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:49,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:49,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:49,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:49,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:49,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:49,413 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-11-27 16:06:50,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:50,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:50,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:50,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:50,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:50,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-27 16:06:50,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7246209/b3471b480e2746968c8f9db60787f232/FLAG92e673b52 [2019-11-27 16:06:51,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:51,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-27 16:06:51,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7246209/b3471b480e2746968c8f9db60787f232/FLAG92e673b52 [2019-11-27 16:06:51,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7246209/b3471b480e2746968c8f9db60787f232 [2019-11-27 16:06:51,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:51,302 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:51,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:51,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:51,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:51,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:51" (1/1) ... [2019-11-27 16:06:51,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630f4f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:51, skipping insertion in model container [2019-11-27 16:06:51,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:51" (1/1) ... [2019-11-27 16:06:51,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:51,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:51,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:51,812 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:51,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:52,016 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:52,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52 WrapperNode [2019-11-27 16:06:52,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:52,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:52,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:52,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:52,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:52,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:52,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:52,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:52,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:52" (1/1) ... [2019-11-27 16:06:52,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:52,165 INFO L168 Benchmark]: Toolchain (without parser) took 857.31 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 16:06:52,166 INFO L168 Benchmark]: CDTParser took 0.43 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 16:06:52,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.80 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:52,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.94 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:52,187 INFO L168 Benchmark]: Boogie Preprocessor took 61.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 16:06:52,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 711.80 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 74.94 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 0.1.24-509859d [2019-11-27 16:06:56,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:56,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:56,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:56,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:56,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:56,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:56,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:56,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:56,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:56,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:56,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:56,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:56,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:56,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:56,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:56,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:56,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:56,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:56,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:56,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:56,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:56,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:56,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:56,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:56,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:56,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:56,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:56,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:56,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:56,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:56,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:56,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:56,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:56,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:56,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:56,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:56,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:56,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:56,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:56,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:56,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:56,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:56,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:56,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:56,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:56,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:56,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:56,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:56,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:56,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:56,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:56,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:56,581 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:56,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:56,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:56,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:56,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:56,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:56,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:56,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:56,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:56,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:56,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:56,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:56,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:56,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:56,589 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:56,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:56,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:56,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:56,594 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-11-27 16:06:57,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:57,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:57,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:57,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:57,321 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:57,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-27 16:06:57,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f479b4/8926516292394744919b2c0104b8566b/FLAG5bab45e17 [2019-11-27 16:06:58,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:58,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-11-27 16:06:58,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f479b4/8926516292394744919b2c0104b8566b/FLAG5bab45e17 [2019-11-27 16:06:58,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f479b4/8926516292394744919b2c0104b8566b [2019-11-27 16:06:58,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:58,597 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:58,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:58,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:58,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:58,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:58" (1/1) ... [2019-11-27 16:06:58,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0f190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:58, skipping insertion in model container [2019-11-27 16:06:58,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:58" (1/1) ... [2019-11-27 16:06:58,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:58,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:59,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:59,132 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:59,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:59,348 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:59,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59 WrapperNode [2019-11-27 16:06:59,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:59,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:59,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:59,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:59,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:59,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:59,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:59,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:59,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:59,532 INFO L168 Benchmark]: Toolchain (without parser) took 934.24 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 990.9 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:59,535 INFO L168 Benchmark]: CDTParser took 3.55 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 16:06:59,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.90 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 990.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:59,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.31 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:59,539 INFO L168 Benchmark]: Boogie Preprocessor took 75.72 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:59,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.55 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 752.90 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 990.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.31 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.72 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 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...