./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label19.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_label19.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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label19.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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:21:18,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:18,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:18,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:18,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:18,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:18,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:18,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:18,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:18,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:18,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:18,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:18,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:18,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:18,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:18,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:18,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:18,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:18,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:18,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:18,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:18,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:18,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:18,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:18,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:18,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:18,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:18,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:18,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:18,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:18,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:18,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:18,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:18,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:18,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:18,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:18,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:18,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:18,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:18,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:18,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:18,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:18,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:18,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:18,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:18,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:18,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:18,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:18,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:18,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:18,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:18,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:18,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:18,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:18,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:18,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:18,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:18,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:18,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:18,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:18,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:18,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:18,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:18,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:18,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:18,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:18,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:18,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:18,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:18,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:18,436 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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2019-11-27 09:21:19,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:19,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:19,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:19,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:19,112 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:19,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-11-27 09:21:19,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640fdc913/3427ec5a81774b919195cd6dc389139d/FLAG28d6aa774 [2019-11-27 09:21:20,499 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:20,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-11-27 09:21:20,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640fdc913/3427ec5a81774b919195cd6dc389139d/FLAG28d6aa774 [2019-11-27 09:21:20,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640fdc913/3427ec5a81774b919195cd6dc389139d [2019-11-27 09:21:20,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:20,595 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:20,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:20,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:20,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:20,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:20" (1/1) ... [2019-11-27 09:21:20,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:20, skipping insertion in model container [2019-11-27 09:21:20,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:20" (1/1) ... [2019-11-27 09:21:20,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:20,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:21,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:21,839 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:22,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:22,176 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:22,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22 WrapperNode [2019-11-27 09:21:22,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:22,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:22,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:22,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:22,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:22,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:22,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:22,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:22,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22" (1/1) ... [2019-11-27 09:21:22,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:22,541 INFO L168 Benchmark]: Toolchain (without parser) took 1940.22 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 961.7 MB in the end (delta: 2.5 kB). Peak memory consumption was 68.0 kB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,545 INFO L168 Benchmark]: CDTParser took 2.93 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 09:21:22,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1577.41 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 978.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.94 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,555 INFO L168 Benchmark]: Boogie Preprocessor took 181.06 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 961.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 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 1577.41 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 978.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.94 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.06 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 961.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:26,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:26,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:26,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:26,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:26,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:26,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:26,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:26,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:26,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:26,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:26,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:26,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:26,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:26,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:26,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:26,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:26,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:26,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:26,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:26,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:26,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:26,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:26,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:26,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:26,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:26,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:26,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:26,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:26,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:26,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:26,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:26,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:26,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:26,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:26,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:26,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:26,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:26,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:26,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:26,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:26,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:26,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:26,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:26,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:26,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:26,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:26,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:26,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:26,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:26,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:26,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:26,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:26,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:26,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:26,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:26,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:26,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:26,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:26,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:26,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:26,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:26,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:26,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:26,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:26,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:26,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:26,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:26,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:26,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:26,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:26,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:26,623 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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2019-11-27 09:21:27,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:27,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:27,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:27,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:27,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:27,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-11-27 09:21:27,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3422d1c59/a8d60158a45c4de4b6e593b2107925a1/FLAG770ba7c65 [2019-11-27 09:21:28,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:28,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-11-27 09:21:28,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3422d1c59/a8d60158a45c4de4b6e593b2107925a1/FLAG770ba7c65 [2019-11-27 09:21:28,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3422d1c59/a8d60158a45c4de4b6e593b2107925a1 [2019-11-27 09:21:28,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:28,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:28,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:28,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:28,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:28,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:28" (1/1) ... [2019-11-27 09:21:28,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:28, skipping insertion in model container [2019-11-27 09:21:28,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:28" (1/1) ... [2019-11-27 09:21:28,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:28,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:30,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,095 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:30,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,444 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:30,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30 WrapperNode [2019-11-27 09:21:30,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:30,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:30,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:30,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:30,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:30,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:30,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:30,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:30,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:30,827 INFO L168 Benchmark]: Toolchain (without parser) took 2042.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 960.8 MB in the end (delta: 910.8 kB). Peak memory consumption was 976.3 kB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,829 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:30,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1660.01 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 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.21 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,840 INFO L168 Benchmark]: Boogie Preprocessor took 182.68 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1660.01 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 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.21 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 182.68 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...