./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/Problem18_label20.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 f6826319088c04a018f3a6afbe191bf0615c4678 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem18_label20.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 f6826319088c04a018f3a6afbe191bf0615c4678 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:43:16,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:43:16,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:43:16,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:43:16,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:43:16,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:43:16,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:43:16,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:43:16,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:43:16,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:43:16,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:43:16,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:43:16,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:43:16,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:43:16,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:43:16,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:43:16,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:43:16,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:43:16,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:43:16,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:43:16,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:43:16,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:43:16,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:43:16,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:43:16,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:43:16,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:43:16,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:43:16,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:43:16,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:43:16,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:43:16,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:43:16,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:43:16,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:43:16,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:43:16,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:43:16,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:43:16,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:43:16,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:43:16,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:43:16,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:43:16,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:43:16,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:43:16,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:43:16,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:43:16,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:43:16,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:43:16,786 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:43:16,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:43:16,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:43:16,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:43:16,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:43:16,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:43:16,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:43:16,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:43:16,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:43:16,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:43:16,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:43:16,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:43:16,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:43:16,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:43:16,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:43:16,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:43:16,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:43:16,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:43:16,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:43:16,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:43:16,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:43:16,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:43:16,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:43:16,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:43:16,804 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-25 22:43:17,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:43:17,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:43:17,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:43:17,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:43:17,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:43:17,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-25 22:43:17,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e543b9721/f25b2a4a39c94bba8d5ca853c13007db/FLAG0908a0813 [2019-11-25 22:43:19,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:43:19,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-25 22:43:19,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e543b9721/f25b2a4a39c94bba8d5ca853c13007db/FLAG0908a0813 [2019-11-25 22:43:19,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e543b9721/f25b2a4a39c94bba8d5ca853c13007db [2019-11-25 22:43:19,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:43:19,319 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:43:19,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:19,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:43:19,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:43:19,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:19" (1/1) ... [2019-11-25 22:43:19,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:19, skipping insertion in model container [2019-11-25 22:43:19,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:19" (1/1) ... [2019-11-25 22:43:19,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:43:19,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:43:21,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:21,932 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:43:23,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:23,179 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:43:23,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23 WrapperNode [2019-11-25 22:43:23,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:23,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:23,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:43:23,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:43:23,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:23,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:43:23,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:43:23,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:43:23,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:23,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:24,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:24,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:23" (1/1) ... [2019-11-25 22:43:24,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:43:24,202 INFO L168 Benchmark]: Toolchain (without parser) took 4876.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 798.6 MB in the end (delta: 151.6 MB). Peak memory consumption was 151.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:24,203 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-25 22:43:24,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3859.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:24,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 530.04 ms. Allocated memory is still 1.0 GB. Free memory was 867.9 MB in the beginning and 827.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:24,213 INFO L168 Benchmark]: Boogie Preprocessor took 477.13 ms. Allocated memory is still 1.0 GB. Free memory was 827.2 MB in the beginning and 798.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:24,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 3859.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 530.04 ms. Allocated memory is still 1.0 GB. Free memory was 867.9 MB in the beginning and 827.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 477.13 ms. Allocated memory is still 1.0 GB. Free memory was 827.2 MB in the beginning and 798.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 0.1.24-65d6cd2 [2019-11-25 22:43:28,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:43:28,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:43:28,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:43:28,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:43:28,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:43:28,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:43:28,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:43:28,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:43:28,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:43:28,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:43:28,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:43:28,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:43:28,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:43:28,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:43:28,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:43:28,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:43:28,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:43:28,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:43:28,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:43:28,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:43:28,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:43:28,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:43:28,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:43:28,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:43:28,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:43:28,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:43:28,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:43:28,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:43:28,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:43:28,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:43:28,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:43:28,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:43:28,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:43:28,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:43:28,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:43:28,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:43:28,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:43:28,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:43:28,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:43:28,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:43:28,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:43:28,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:43:28,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:43:28,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:43:28,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:43:28,640 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:43:28,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:43:28,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:43:28,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:43:28,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:43:28,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:43:28,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:43:28,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:43:28,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:43:28,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:43:28,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:43:28,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:43:28,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:43:28,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:43:28,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:43:28,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:43:28,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:43:28,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:43:28,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:43:28,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:43:28,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:43:28,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:43:28,650 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:43:28,650 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:43:28,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:43:28,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:43:28,652 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-25 22:43:29,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:43:29,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:43:29,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:43:29,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:43:29,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:43:29,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-25 22:43:29,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519b14604/c927e12e058e4b00a2ecfad890308e20/FLAG0152966e2 [2019-11-25 22:43:31,001 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:43:31,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-25 22:43:31,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519b14604/c927e12e058e4b00a2ecfad890308e20/FLAG0152966e2 [2019-11-25 22:43:31,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519b14604/c927e12e058e4b00a2ecfad890308e20 [2019-11-25 22:43:31,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:43:31,111 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:43:31,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:31,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:43:31,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:43:31,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:31" (1/1) ... [2019-11-25 22:43:31,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:31, skipping insertion in model container [2019-11-25 22:43:31,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:31" (1/1) ... [2019-11-25 22:43:31,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:43:31,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:43:34,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:34,052 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:43:35,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:35,447 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:43:35,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35 WrapperNode [2019-11-25 22:43:35,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:35,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:35,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:43:35,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:43:35,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:35,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:35,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:35,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:43:35,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:43:35,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:43:35,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:35,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:35" (1/1) ... [2019-11-25 22:43:36,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:43:36,382 INFO L168 Benchmark]: Toolchain (without parser) took 5262.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 799.1 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:36,383 INFO L168 Benchmark]: CDTParser took 0.51 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. [2019-11-25 22:43:36,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4337.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:36,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 464.68 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:36,393 INFO L168 Benchmark]: Boogie Preprocessor took 451.45 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:36,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 4337.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 464.68 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 451.45 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...