./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:36,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:36,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:36,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:36,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:36,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:36,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:36,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:36,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:36,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:36,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:36,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:36,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:36,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:36,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:36,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:36,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:36,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:36,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:36,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:36,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:36,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:36,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:36,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:36,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:36,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:36,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:36,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:36,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:36,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:36,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:36,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:36,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:36,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:36,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:36,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:36,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:36,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:36,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:36,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:36,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:36,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:36,379 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:36,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:36,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:36,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:36,392 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:36,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:36,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:36,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:36,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:36,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:36,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:36,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:36,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:36,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:36,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:36,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:36,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:36,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:36,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:36,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:36,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:36,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:36,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:36,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:36,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:36,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:36,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:36,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:36,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-27 09:21:36,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:37,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:37,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:37,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:37,025 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:37,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 09:21:37,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1537a8c7/0153d70ba9cd495f96f11ecbac80f7a4/FLAG4dfb9eb40 [2019-11-27 09:21:38,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:38,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 09:21:38,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1537a8c7/0153d70ba9cd495f96f11ecbac80f7a4/FLAG4dfb9eb40 [2019-11-27 09:21:38,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1537a8c7/0153d70ba9cd495f96f11ecbac80f7a4 [2019-11-27 09:21:38,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:38,553 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:38,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:38,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:38,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:38,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:38" (1/1) ... [2019-11-27 09:21:38,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:38, skipping insertion in model container [2019-11-27 09:21:38,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:38" (1/1) ... [2019-11-27 09:21:38,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:38,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:39,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:39,791 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:40,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:40,131 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:40,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40 WrapperNode [2019-11-27 09:21:40,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:40,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:40,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:40,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:40,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:40,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:40,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:40,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:40,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:40,526 INFO L168 Benchmark]: Toolchain (without parser) took 1967.22 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 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:40,527 INFO L168 Benchmark]: CDTParser took 2.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:40,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1575.83 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:40,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.43 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:40,541 INFO L168 Benchmark]: Boogie Preprocessor took 189.96 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:40,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 1575.83 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.43 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 189.96 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:44,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:44,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:44,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:44,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:44,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:44,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:44,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:44,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:44,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:44,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:44,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:44,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:44,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:44,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:44,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:44,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:44,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:44,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:44,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:44,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:44,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:44,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:44,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:44,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:44,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:44,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:44,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:44,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:44,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:44,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:44,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:44,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:44,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:44,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:44,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:44,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:44,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:44,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:44,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:44,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:44,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:44,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:44,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:44,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:44,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:44,587 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:44,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:44,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:44,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:44,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:44,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:44,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:44,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:44,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:44,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:44,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:44,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:44,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:44,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:44,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:44,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:44,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:44,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:44,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:44,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:44,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:44,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:44,604 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:44,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:44,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:44,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:44,606 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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-27 09:21:45,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:45,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:45,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:45,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:45,176 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:45,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 09:21:45,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c2acd4b/757eead48bf0433f9b3ec45ded8c36f6/FLAG3716a358a [2019-11-27 09:21:46,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:46,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 09:21:46,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c2acd4b/757eead48bf0433f9b3ec45ded8c36f6/FLAG3716a358a [2019-11-27 09:21:47,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c2acd4b/757eead48bf0433f9b3ec45ded8c36f6 [2019-11-27 09:21:47,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:47,036 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:47,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:47,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:47,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:47,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:47,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47, skipping insertion in model container [2019-11-27 09:21:47,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:47,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:47,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:48,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:48,202 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:48,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:48,676 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:48,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48 WrapperNode [2019-11-27 09:21:48,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:48,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:48,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:48,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:48,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:48,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:48,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:48,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:48,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:49,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:49,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:49,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:49,063 INFO L168 Benchmark]: Toolchain (without parser) took 2025.39 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 972.4 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:49,067 INFO L168 Benchmark]: CDTParser took 2.72 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:49,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1643.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:49,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.72 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:49,077 INFO L168 Benchmark]: Boogie Preprocessor took 183.08 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:49,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.72 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 1643.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 190.72 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.08 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 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...