./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.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/floats-esbmc-regression/digits_bad_for.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 ab129da34d43c5bee83ebd85312678fd71e3d82f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-esbmc-regression/digits_bad_for.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 ab129da34d43c5bee83ebd85312678fd71e3d82f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:07:31,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:31,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:31,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:31,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:31,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:31,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:31,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:31,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:31,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:31,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:31,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:31,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:31,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:31,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:31,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:31,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:31,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:31,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:31,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:31,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:31,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:31,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:31,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:31,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:31,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:31,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:31,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:31,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:31,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:31,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:31,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:31,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:31,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:31,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:31,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:31,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:31,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:31,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:31,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:31,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:31,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:31,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:31,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:31,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:31,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:31,364 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:31,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:31,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:31,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:31,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:31,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:31,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:31,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:31,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:31,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:31,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:31,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:31,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:31,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:31,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:31,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:31,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:31,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:31,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:31,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:31,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:31,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:31,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:31,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:31,382 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 -> ab129da34d43c5bee83ebd85312678fd71e3d82f [2019-11-27 16:07:32,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:32,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:32,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:32,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:32,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:32,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2019-11-27 16:07:32,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdfca110/032208a970f34696bb57948edb5e42a8/FLAG9c72c5b01 [2019-11-27 16:07:33,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:33,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2019-11-27 16:07:33,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdfca110/032208a970f34696bb57948edb5e42a8/FLAG9c72c5b01 [2019-11-27 16:07:33,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdfca110/032208a970f34696bb57948edb5e42a8 [2019-11-27 16:07:33,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:33,374 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:33,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:33,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:33,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:33,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:33,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33, skipping insertion in model container [2019-11-27 16:07:33,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:33,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:33,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:33,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:33,920 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:33,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:33,995 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:33,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33 WrapperNode [2019-11-27 16:07:33,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:34,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:34,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:34,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:34,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:34,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:34,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:34,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:34,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:34,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:34,243 INFO L168 Benchmark]: Toolchain (without parser) took 855.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 16:07:34,245 INFO L168 Benchmark]: CDTParser took 3.50 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 16:07:34,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:34,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:34,253 INFO L168 Benchmark]: Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-27 16:07:34,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.50 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 625.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 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 169.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 0.1.24-509859d [2019-11-27 16:07:38,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:38,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:38,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:38,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:38,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:38,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:38,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:38,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:38,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:38,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:38,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:38,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:38,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:38,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:38,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:38,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:38,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:38,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:38,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:38,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:38,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:38,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:38,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:38,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:38,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:38,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:38,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:38,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:38,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:38,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:38,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:38,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:38,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:38,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:38,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:38,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:38,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:38,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:38,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:38,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:38,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:38,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:38,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:38,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:38,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:38,339 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:38,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:38,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:38,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:38,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:38,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:38,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:38,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:38,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:38,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:38,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:38,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:38,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:38,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:38,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:38,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:38,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:38,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:38,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:38,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:38,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:38,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:38,354 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:38,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:38,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:38,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:38,358 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 -> ab129da34d43c5bee83ebd85312678fd71e3d82f [2019-11-27 16:07:38,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:38,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:38,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:38,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:38,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:38,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2019-11-27 16:07:39,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b262b334/9a8855c354574272a86e307d17cd09a1/FLAG0eb4f8f73 [2019-11-27 16:07:40,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:40,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2019-11-27 16:07:40,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b262b334/9a8855c354574272a86e307d17cd09a1/FLAG0eb4f8f73 [2019-11-27 16:07:40,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b262b334/9a8855c354574272a86e307d17cd09a1 [2019-11-27 16:07:40,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:40,436 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:40,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:40,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:40,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:40,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:40" (1/1) ... [2019-11-27 16:07:40,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:40, skipping insertion in model container [2019-11-27 16:07:40,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:40" (1/1) ... [2019-11-27 16:07:40,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:40,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:40,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:40,984 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:41,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:41,072 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:41,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41 WrapperNode [2019-11-27 16:07:41,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:41,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:41,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:41,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:41,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:41,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:41,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:41,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:41,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:41,302 INFO L168 Benchmark]: Toolchain (without parser) took 862.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 16:07:41,305 INFO L168 Benchmark]: CDTParser took 2.94 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 16:07:41,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.51 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 16:07:41,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.12 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:41,310 INFO L168 Benchmark]: Boogie Preprocessor took 65.52 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 16:07:41,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 633.51 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 152.12 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.52 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...