./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/drift_tenth.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-benchs/drift_tenth.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 ebf754a3963f6f2e62a58c5af4648497776f95f2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/drift_tenth.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 ebf754a3963f6f2e62a58c5af4648497776f95f2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:57:50,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:50,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:50,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:50,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:50,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:50,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:50,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:50,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:50,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:50,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:50,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:50,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:50,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:50,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:50,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:50,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:50,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:50,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:50,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:50,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:50,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:50,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:50,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:50,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:50,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:50,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:50,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:50,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:50,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:50,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:50,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:50,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:50,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:50,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:50,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:50,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:50,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:50,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:50,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:50,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:50,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:50,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:50,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:50,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:50,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:50,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:50,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:50,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:50,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:50,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:50,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:50,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:50,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:50,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:50,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:50,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:50,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:50,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:50,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:50,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:50,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:50,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:50,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:50,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:50,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:50,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:50,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:50,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:50,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:50,482 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 -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-26 16:57:51,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:51,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:51,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:51,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:51,180 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:51,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-26 16:57:51,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50975a5e/dc561c6e826340efb21286df5f079837/FLAG8aba356df [2019-11-26 16:57:52,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:52,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-26 16:57:52,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50975a5e/dc561c6e826340efb21286df5f079837/FLAG8aba356df [2019-11-26 16:57:52,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50975a5e/dc561c6e826340efb21286df5f079837 [2019-11-26 16:57:52,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:52,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:52,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:52,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:52,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:52,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:52,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52, skipping insertion in model container [2019-11-26 16:57:52,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:52,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:52,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:52,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:52,871 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:52,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:52,926 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:52,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52 WrapperNode [2019-11-26 16:57:52,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:52,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:52,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:52,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:53,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:53,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:53,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:53,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:53,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:52" (1/1) ... [2019-11-26 16:57:53,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:53,114 INFO L168 Benchmark]: Toolchain (without parser) took 718.71 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: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:53,117 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-26 16:57:53,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.79 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. [2019-11-26 16:57:53,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.1 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:53,139 INFO L168 Benchmark]: Boogie Preprocessor took 43.50 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:53,150 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 534.79 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 130.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.1 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.50 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 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 0.1.24-025d5a2 [2019-11-26 16:57:57,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:57,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:57,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:57,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:57,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:57,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:57,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:57,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:57,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:57,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:57,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:57,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:57,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:57,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:57,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:57,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:57,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:57,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:57,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:57,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:57,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:57,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:57,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:57,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:57,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:57,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:57,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:57,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:57,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:57,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:57,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:57,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:57,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:57,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:57,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:57,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:57,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:57,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:57,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:57,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:57,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:57,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:57,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:57,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:57,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:57,312 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:57,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:57,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:57,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:57,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:57,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:57,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:57,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:57,320 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:57,320 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:57,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:57,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:57,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:57,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:57,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:57,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:57,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:57,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:57,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:57,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:57,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:57,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:57,328 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:57,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:57,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:57,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:57,331 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 -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-26 16:57:57,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:57,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:57,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:57,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:57,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:57,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-26 16:57:58,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05dd5f4a/8e6d7291a7054f05998c748ee208111b/FLAG6e1f8fe5d [2019-11-26 16:57:59,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:59,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-26 16:57:59,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05dd5f4a/8e6d7291a7054f05998c748ee208111b/FLAG6e1f8fe5d [2019-11-26 16:57:59,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05dd5f4a/8e6d7291a7054f05998c748ee208111b [2019-11-26 16:57:59,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:59,253 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:59,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:59,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:59,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:59,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59, skipping insertion in model container [2019-11-26 16:57:59,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:59,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:59,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:59,789 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:59,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:59,841 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:59,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59 WrapperNode [2019-11-26 16:57:59,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:59,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:59,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:59,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:59,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:57:59,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:00,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:00,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:00,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:00,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:59" (1/1) ... [2019-11-26 16:58:00,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:00,085 INFO L168 Benchmark]: Toolchain (without parser) took 824.02 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:00,087 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-26 16:58:00,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.76 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. [2019-11-26 16:58:00,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.29 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:00,099 INFO L168 Benchmark]: Boogie Preprocessor took 46.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:00,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 586.76 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 178.29 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...