./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label53.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/Problem17_label53.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 d732e087117a2b06ffd0951c9f626138e606410b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem17_label53.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 d732e087117a2b06ffd0951c9f626138e606410b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:37:56,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:56,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:56,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:56,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:56,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:56,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:56,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:56,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:56,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:56,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:56,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:56,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:56,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:56,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:56,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:56,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:56,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:56,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:56,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:56,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:56,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:56,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:56,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:56,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:56,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:56,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:56,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:56,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:56,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:56,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:56,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:56,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:56,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:56,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:56,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:56,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:56,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:56,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:56,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:56,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:56,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:37:56,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:56,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:56,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:56,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:56,928 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:56,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:56,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:56,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:37:56,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:56,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:56,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:56,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:56,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:56,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:56,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:56,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:56,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:56,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:56,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:56,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:56,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:56,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:56,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:56,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:56,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:56,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:37:56,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:37:56,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:56,945 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 -> d732e087117a2b06ffd0951c9f626138e606410b [2019-11-27 09:37:57,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:57,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:57,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:57,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:57,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:57,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label53.c [2019-11-27 09:37:57,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4d64a0d/a655e12a06bc432b898596758abc87a0/FLAGad64bc384 [2019-11-27 09:37:59,323 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:59,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label53.c [2019-11-27 09:37:59,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4d64a0d/a655e12a06bc432b898596758abc87a0/FLAGad64bc384 [2019-11-27 09:37:59,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4d64a0d/a655e12a06bc432b898596758abc87a0 [2019-11-27 09:37:59,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:59,444 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:59,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:59,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:59,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:59,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:59" (1/1) ... [2019-11-27 09:37:59,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:59, skipping insertion in model container [2019-11-27 09:37:59,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:59" (1/1) ... [2019-11-27 09:37:59,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:59,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:01,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:01,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:02,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:02,858 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:02,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02 WrapperNode [2019-11-27 09:38:02,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:02,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:02,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:02,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:02,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:02,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:03,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:03,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:03,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:03,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:03,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:03,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:03,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:03,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:03,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:04,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:04,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:04,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:04,265 INFO L168 Benchmark]: Toolchain (without parser) took 4820.15 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 781.8 MB in the end (delta: 179.9 MB). Peak memory consumption was 180.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:04,267 INFO L168 Benchmark]: CDTParser took 3.30 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 09:38:04,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3411.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 873.7 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:04,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 740.99 ms. Allocated memory is still 1.0 GB. Free memory was 873.7 MB in the beginning and 810.4 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:04,278 INFO L168 Benchmark]: Boogie Preprocessor took 658.13 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 781.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:04,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.30 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 3411.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 873.7 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 740.99 ms. Allocated memory is still 1.0 GB. Free memory was 873.7 MB in the beginning and 810.4 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 658.13 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 781.8 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-da95e15 [2019-11-27 09:38:08,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:08,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:08,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:08,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:08,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:08,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:08,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:08,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:08,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:08,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:08,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:08,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:08,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:08,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:08,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:08,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:08,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:08,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:08,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:08,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:08,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:08,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:08,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:08,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:08,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:08,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:08,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:08,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:08,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:08,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:08,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:08,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:08,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:08,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:08,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:08,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:08,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:08,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:08,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:08,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:08,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:08,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:08,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:08,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:08,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:08,430 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:08,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:08,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:08,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:08,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:08,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:08,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:08,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:08,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:08,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:08,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:08,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:08,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:08,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:08,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:08,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:08,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:08,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:08,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:08,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:08,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:08,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:08,449 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:08,449 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:08,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:08,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:08,451 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 -> d732e087117a2b06ffd0951c9f626138e606410b [2019-11-27 09:38:08,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:09,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:09,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:09,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:09,048 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:09,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label53.c [2019-11-27 09:38:09,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4542bc73/a7f581ebbdc54b5bb66dd06c1ce1d412/FLAGa3881b7d3 [2019-11-27 09:38:10,756 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:10,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label53.c [2019-11-27 09:38:10,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4542bc73/a7f581ebbdc54b5bb66dd06c1ce1d412/FLAGa3881b7d3 [2019-11-27 09:38:10,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4542bc73/a7f581ebbdc54b5bb66dd06c1ce1d412 [2019-11-27 09:38:10,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:10,873 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:10,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:10,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:10,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:10,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:10" (1/1) ... [2019-11-27 09:38:10,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5323c1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:10, skipping insertion in model container [2019-11-27 09:38:10,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:10" (1/1) ... [2019-11-27 09:38:10,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:11,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:13,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:13,710 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:14,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:14,986 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:14,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14 WrapperNode [2019-11-27 09:38:14,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:14,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:14,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:14,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:15,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:15,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:15,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:15,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:15,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:15,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:15,816 INFO L168 Benchmark]: Toolchain (without parser) took 4936.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 782.1 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:15,817 INFO L168 Benchmark]: CDTParser took 3.03 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 09:38:15,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4110.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 822.2 MB in the end (delta: 126.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:15,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 400.57 ms. Allocated memory is still 1.0 GB. Free memory was 822.2 MB in the beginning and 799.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:15,827 INFO L168 Benchmark]: Boogie Preprocessor took 413.69 ms. Allocated memory is still 1.0 GB. Free memory was 799.3 MB in the beginning and 782.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:15,838 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 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 4110.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 822.2 MB in the end (delta: 126.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 400.57 ms. Allocated memory is still 1.0 GB. Free memory was 822.2 MB in the beginning and 799.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 413.69 ms. Allocated memory is still 1.0 GB. Free memory was 799.3 MB in the beginning and 782.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...