./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 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_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-da95e15 [2019-11-27 09:21:18,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:18,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:18,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:18,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:18,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:18,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:18,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:18,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:18,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:18,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:18,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:18,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:18,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:18,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:18,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:18,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:18,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:18,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:18,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:18,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:18,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:18,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:18,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:18,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:18,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:18,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:18,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:18,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:18,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:18,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:18,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:18,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:18,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:18,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:18,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:18,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:18,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:18,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:18,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:18,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:18,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:18,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:18,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:18,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:18,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:18,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:18,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:18,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:18,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:18,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:18,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:18,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:18,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:18,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:18,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:18,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:18,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:18,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:18,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:18,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:18,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:18,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:18,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:18,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:18,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:18,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:18,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:18,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:18,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:18,499 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 [2019-11-27 09:21:19,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:19,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:19,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:19,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:19,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:19,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-27 09:21:19,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249524952/2896e3c2b5d249bd90e93d3c71603d17/FLAGe28d56068 [2019-11-27 09:21:20,456 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:20,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-27 09:21:20,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249524952/2896e3c2b5d249bd90e93d3c71603d17/FLAGe28d56068 [2019-11-27 09:21:20,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249524952/2896e3c2b5d249bd90e93d3c71603d17 [2019-11-27 09:21:20,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:20,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:20,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:20,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:20,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:20,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:20" (1/1) ... [2019-11-27 09:21:20,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31604e95 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 09:21:20,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:20" (1/1) ... [2019-11-27 09:21:20,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:21,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:22,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:22,046 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:22,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:22,458 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:22,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:22 WrapperNode [2019-11-27 09:21:22,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:22,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:22,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:22,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:22,478 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 09:21:22,512 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 09:21:22,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:22,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:22,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:22,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:22,634 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 09:21:22,635 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 09:21:22,659 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 09:21:22,664 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 09:21:22,730 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 09:21:22,764 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 09:21:22,779 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 09:21:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:22,827 INFO L168 Benchmark]: Toolchain (without parser) took 1908.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 966.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,828 INFO L168 Benchmark]: CDTParser took 1.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:22,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1546.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 983.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.89 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,837 INFO L168 Benchmark]: Boogie Preprocessor took 188.36 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:22,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1546.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 983.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.89 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.36 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 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 09:21:26,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:26,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:26,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:26,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:26,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:26,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:26,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:26,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:26,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:26,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:26,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:26,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:26,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:26,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:26,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:26,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:26,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:26,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:26,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:26,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:26,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:26,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:26,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:26,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:26,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:26,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:26,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:26,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:26,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:26,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:26,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:26,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:26,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:26,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:26,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:26,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:26,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:26,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:26,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:26,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:26,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:26,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:26,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:26,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:26,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:26,844 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:26,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:26,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:26,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:26,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:26,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:26,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:26,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:26,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:26,852 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:26,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:26,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:26,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:26,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:26,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:26,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:26,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:26,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:26,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:26,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:26,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:26,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:26,860 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:26,860 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:26,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:26,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:26,862 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 [2019-11-27 09:21:27,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:27,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:27,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:27,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:27,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:27,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-27 09:21:27,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1ec4aa5/f9e2f166b8dc41fb961f4698da2e1133/FLAGff114d776 [2019-11-27 09:21:28,875 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:28,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-27 09:21:28,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1ec4aa5/f9e2f166b8dc41fb961f4698da2e1133/FLAGff114d776 [2019-11-27 09:21:28,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1ec4aa5/f9e2f166b8dc41fb961f4698da2e1133 [2019-11-27 09:21:28,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:28,943 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:28,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:28,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:28,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:28,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:28" (1/1) ... [2019-11-27 09:21:28,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 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 09:21:28,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:28" (1/1) ... [2019-11-27 09:21:28,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:29,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:30,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:30,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,372 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:30,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30 WrapperNode [2019-11-27 09:21:30,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:30,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:30,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:30,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:30,393 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 09:21:30,449 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 09:21:30,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:30,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:30,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:30,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:30,589 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 09:21:30,589 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 09:21:30,617 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 09:21:30,618 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 09:21:30,681 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 09:21:30,715 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 09:21:30,736 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 09:21:30,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:30,776 INFO L168 Benchmark]: Toolchain (without parser) took 1825.74 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 950.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,778 INFO L168 Benchmark]: CDTParser took 0.34 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 09:21:30,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1431.74 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 962.2 MB in the end (delta: -484.8 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.45 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,789 INFO L168 Benchmark]: Boogie Preprocessor took 188.25 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 950.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:30,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1431.74 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 962.2 MB in the end (delta: -484.8 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 198.45 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.25 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 950.7 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...