./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/Problem19_label18.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 6f60829148f6dc696848e1334af256cd43e969c0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem19_label18.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 6f60829148f6dc696848e1334af256cd43e969c0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:00:55,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:55,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:55,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:55,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:55,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:55,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:55,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:55,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:55,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:55,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:55,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:55,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:55,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:55,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:55,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:55,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:55,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:55,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:55,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:55,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:55,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:55,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:55,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:55,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:55,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:55,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:55,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:55,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:55,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:55,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:55,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:55,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:55,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:55,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:55,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:55,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:55,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:55,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:55,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:55,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:55,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:00:56,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:56,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:56,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:56,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:56,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:56,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:56,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:56,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:00:56,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:56,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:56,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:56,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:56,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:56,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:56,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:56,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:56,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:56,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:56,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:56,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:56,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:56,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:56,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:56,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:56,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:56,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:00:56,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:00:56,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:56,058 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 -> 6f60829148f6dc696848e1334af256cd43e969c0 [2019-11-27 16:00:56,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:56,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:56,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:56,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:56,773 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:56,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2019-11-27 16:00:56,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fc1ac58/1fd864508bae4392bd8a10ed2e22efe0/FLAG1ff82fda6 [2019-11-27 16:00:58,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:58,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2019-11-27 16:00:58,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fc1ac58/1fd864508bae4392bd8a10ed2e22efe0/FLAG1ff82fda6 [2019-11-27 16:00:58,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fc1ac58/1fd864508bae4392bd8a10ed2e22efe0 [2019-11-27 16:00:58,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:58,977 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:58,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:58,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:58,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:58,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:58" (1/1) ... [2019-11-27 16:00:59,003 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 27.11 04:00:58, skipping insertion in model container [2019-11-27 16:00:59,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:58" (1/1) ... [2019-11-27 16:00:59,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:59,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:04,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:04,309 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:07,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:07,290 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:07,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07 WrapperNode [2019-11-27 16:01:07,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:07,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:07,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:07,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:07,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:07,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:08,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:08,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:08,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:08,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:08,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:08,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:09,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:09,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:10,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:10,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:11,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:07" (1/1) ... [2019-11-27 16:01:11,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:11,351 INFO L168 Benchmark]: Toolchain (without parser) took 12369.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 777.5 MB in the end (delta: 155.6 MB). Peak memory consumption was 390.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,354 INFO L168 Benchmark]: CDTParser took 0.44 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 16:01:11,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8324.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 869.9 MB in the end (delta: 63.1 MB). Peak memory consumption was 271.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 1539.27 ms. Allocated memory is still 1.0 GB. Free memory was 869.9 MB in the beginning and 706.2 MB in the end (delta: 163.8 MB). Peak memory consumption was 163.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,364 INFO L168 Benchmark]: Boogie Preprocessor took 2496.79 ms. Allocated memory is still 1.0 GB. Free memory was 706.2 MB in the beginning and 777.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 163.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 8324.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 869.9 MB in the end (delta: 63.1 MB). Peak memory consumption was 271.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1539.27 ms. Allocated memory is still 1.0 GB. Free memory was 869.9 MB in the beginning and 706.2 MB in the end (delta: 163.8 MB). Peak memory consumption was 163.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2496.79 ms. Allocated memory is still 1.0 GB. Free memory was 706.2 MB in the beginning and 777.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 163.4 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 0.1.24-509859d [2019-11-27 16:01:15,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:15,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:15,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:15,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:15,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:15,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:15,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:15,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:15,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:15,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:15,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:15,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:15,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:15,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:15,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:15,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:15,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:15,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:15,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:15,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:15,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:15,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:15,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:15,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:15,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:15,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:15,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:15,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:15,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:15,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:15,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:15,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:15,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:15,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:15,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:15,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:15,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:15,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:15,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:15,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:15,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:15,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:15,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:15,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:15,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:15,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:15,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:15,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:15,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:15,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:15,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:15,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:15,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:15,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:15,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:15,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:15,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:15,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:15,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:15,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:15,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:15,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:15,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:15,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:15,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:15,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:15,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:15,609 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:15,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:15,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:15,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:15,614 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 -> 6f60829148f6dc696848e1334af256cd43e969c0 [2019-11-27 16:01:16,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:16,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:16,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:16,305 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:16,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:16,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2019-11-27 16:01:16,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e5a5a/34a742ebea764b9fb50c9d00483c1b7b/FLAGa5f9aaf6d [2019-11-27 16:01:18,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:18,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2019-11-27 16:01:18,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e5a5a/34a742ebea764b9fb50c9d00483c1b7b/FLAGa5f9aaf6d [2019-11-27 16:01:18,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e5a5a/34a742ebea764b9fb50c9d00483c1b7b [2019-11-27 16:01:18,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:18,820 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:18,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:18,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:18,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:18,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:18" (1/1) ... [2019-11-27 16:01:18,845 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 27.11 04:01:18, skipping insertion in model container [2019-11-27 16:01:18,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:18" (1/1) ... [2019-11-27 16:01:18,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:19,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:24,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:24,661 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:27,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:27,386 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:27,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27 WrapperNode [2019-11-27 16:01:27,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:27,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:27,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:27,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:27,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:27,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:28,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:28,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:28,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:28,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:28,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:28,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:28,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:28,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:29,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:29,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:29,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:27" (1/1) ... [2019-11-27 16:01:29,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:29,792 INFO L168 Benchmark]: Toolchain (without parser) took 10967.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 872.5 MB in the end (delta: 60.5 MB). Peak memory consumption was 317.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:29,793 INFO L168 Benchmark]: CDTParser took 3.91 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 16:01:29,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8569.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 766.9 MB in the end (delta: 166.1 MB). Peak memory consumption was 254.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:29,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 843.91 ms. Allocated memory is still 1.0 GB. Free memory was 766.9 MB in the beginning and 701.7 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:29,804 INFO L168 Benchmark]: Boogie Preprocessor took 1542.51 ms. Allocated memory is still 1.0 GB. Free memory was 701.7 MB in the beginning and 872.5 MB in the end (delta: -170.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:29,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.91 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 8569.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 766.9 MB in the end (delta: 166.1 MB). Peak memory consumption was 254.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 843.91 ms. Allocated memory is still 1.0 GB. Free memory was 766.9 MB in the beginning and 701.7 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1542.51 ms. Allocated memory is still 1.0 GB. Free memory was 701.7 MB in the beginning and 872.5 MB in the end (delta: -170.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...