./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/eca-rers2012/Problem02_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/eca-rers2012/Problem02_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:40:04,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:04,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:04,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:04,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:04,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:04,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:04,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:04,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:04,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:04,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:04,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:04,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:04,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:04,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:04,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:04,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:04,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:04,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:04,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:04,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:04,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:04,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:04,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:04,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:04,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:04,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:04,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:04,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:04,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:04,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:04,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:04,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:04,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:04,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:04,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:04,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:04,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:04,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:04,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:04,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:04,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:40:04,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:04,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:04,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:04,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:04,388 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:04,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:04,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:04,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:40:04,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:04,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:04,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:04,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:04,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:04,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:04,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:04,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:04,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:04,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:04,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:04,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:04,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:04,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:04,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:04,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:04,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:04,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:04,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:40:04,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:40:04,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:04,406 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-24 20:40:04,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:04,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:04,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:04,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:05,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:05,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-24 20:40:05,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34f7df1/28afbdb9e6ac49528b2250565ac9fc06/FLAGe6e0727ea [2019-11-24 20:40:06,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:06,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-24 20:40:06,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34f7df1/28afbdb9e6ac49528b2250565ac9fc06/FLAGe6e0727ea [2019-11-24 20:40:06,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34f7df1/28afbdb9e6ac49528b2250565ac9fc06 [2019-11-24 20:40:06,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:06,464 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:06,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:06,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:06,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:06,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:06" (1/1) ... [2019-11-24 20:40:06,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a88b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:06, skipping insertion in model container [2019-11-24 20:40:06,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:06" (1/1) ... [2019-11-24 20:40:06,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:06,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:07,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:07,664 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:07,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:07,957 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:07,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07 WrapperNode [2019-11-24 20:40:07,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:07,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:07,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:07,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:07,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:08,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:08,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:08,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:08,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:08,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:08,334 INFO L168 Benchmark]: Toolchain (without parser) took 1861.25 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 966.0 MB in the end (delta: -4.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:40:08,335 INFO L168 Benchmark]: CDTParser took 1.19 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. [2019-11-24 20:40:08,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1490.77 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 977.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:08,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.27 ms. Allocated memory is still 1.0 GB. Free memory was 977.4 MB in the beginning and 971.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:08,343 INFO L168 Benchmark]: Boogie Preprocessor took 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:08,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 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 1490.77 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 977.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 202.27 ms. Allocated memory is still 1.0 GB. Free memory was 977.4 MB in the beginning and 971.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 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 0.1.24-32f2683 [2019-11-24 20:40:12,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:12,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:12,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:12,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:12,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:12,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:12,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:12,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:12,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:12,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:12,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:12,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:12,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:12,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:12,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:12,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:12,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:12,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:12,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:12,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:12,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:12,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:12,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:12,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:12,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:12,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:12,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:12,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:12,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:12,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:12,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:12,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:12,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:12,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:12,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:12,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:12,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:12,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:12,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:12,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:12,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:40:12,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:12,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:12,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:12,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:12,317 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:12,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:12,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:12,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:12,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:12,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:12,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:12,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:12,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:12,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:40:12,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:40:12,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:12,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:12,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:12,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:12,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:12,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:12,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:12,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:12,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:12,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:12,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:12,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:12,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:40:12,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:40:12,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:12,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:40:12,336 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-24 20:40:12,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:12,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:12,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:12,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:12,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:12,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-24 20:40:13,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a76dd678/5c7341f8b65c47979d2da4335cf9584f/FLAG5428fae7e [2019-11-24 20:40:14,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:14,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-24 20:40:14,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a76dd678/5c7341f8b65c47979d2da4335cf9584f/FLAG5428fae7e [2019-11-24 20:40:14,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a76dd678/5c7341f8b65c47979d2da4335cf9584f [2019-11-24 20:40:14,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:14,793 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:14,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:14,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:14,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:14,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:14" (1/1) ... [2019-11-24 20:40:14,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94f6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:14, skipping insertion in model container [2019-11-24 20:40:14,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:14" (1/1) ... [2019-11-24 20:40:14,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:14,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:16,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:16,060 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:16,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:16,408 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:16,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16 WrapperNode [2019-11-24 20:40:16,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:16,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:16,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:16,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:16,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:16,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:16,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:16,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:16,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:16,787 INFO L168 Benchmark]: Toolchain (without parser) took 1986.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:40:16,792 INFO L168 Benchmark]: CDTParser took 2.37 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. [2019-11-24 20:40:16,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1614.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:16,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:40:16,803 INFO L168 Benchmark]: Boogie Preprocessor took 183.44 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 966.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:16,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.37 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 1614.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.44 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 966.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...