./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label51.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/Problem04_label51.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 ba1c1bc50fbd97dfd24ea23dfd687b6699be6287 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_label51.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 ba1c1bc50fbd97dfd24ea23dfd687b6699be6287 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:44:49,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:44:49,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:44:49,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:44:49,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:44:49,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:44:49,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:44:49,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:44:49,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:44:49,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:44:49,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:44:49,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:44:49,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:44:49,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:44:49,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:44:49,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:44:49,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:44:49,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:44:49,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:44:49,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:44:49,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:44:49,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:44:49,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:44:49,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:44:49,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:44:49,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:44:49,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:44:49,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:44:49,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:44:49,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:44:49,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:44:49,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:44:49,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:44:49,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:44:49,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:44:49,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:44:49,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:44:49,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:44:49,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:44:49,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:44:49,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:44:49,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:44:49,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:44:49,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:44:49,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:44:49,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:44:49,365 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:44:49,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:44:49,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:44:49,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:44:49,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:44:49,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:44:49,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:44:49,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:44:49,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:44:49,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:44:49,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:44:49,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:44:49,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:44:49,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:44:49,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:44:49,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:44:49,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:44:49,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:44:49,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:44:49,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:44:49,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:44:49,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:44:49,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:44:49,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:44:49,383 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 -> ba1c1bc50fbd97dfd24ea23dfd687b6699be6287 [2019-11-27 15:44:49,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:44:49,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:44:50,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:44:50,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:44:50,007 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:44:50,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2019-11-27 15:44:50,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4258ed2e6/9eb72f4bfb7846889465f96191e11728/FLAG4351f00cf [2019-11-27 15:44:51,843 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:44:51,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2019-11-27 15:44:51,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4258ed2e6/9eb72f4bfb7846889465f96191e11728/FLAG4351f00cf [2019-11-27 15:44:51,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4258ed2e6/9eb72f4bfb7846889465f96191e11728 [2019-11-27 15:44:51,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:44:51,988 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:44:51,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:51,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:44:51,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:44:52,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:51" (1/1) ... [2019-11-27 15:44:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:52, skipping insertion in model container [2019-11-27 15:44:52,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:51" (1/1) ... [2019-11-27 15:44:52,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:44:52,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:44:55,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:55,357 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:44:56,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:56,932 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:44:56,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56 WrapperNode [2019-11-27 15:44:56,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:56,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:56,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:44:56,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:44:56,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:57,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:44:57,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:44:57,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:44:57,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:57,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:56" (1/1) ... [2019-11-27 15:44:58,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:44:58,058 INFO L168 Benchmark]: Toolchain (without parser) took 6064.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 751.6 MB in the end (delta: 192.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:58,059 INFO L168 Benchmark]: CDTParser took 0.39 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 15:44:58,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4947.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.3 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:58,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 590.40 ms. Allocated memory is still 1.0 GB. Free memory was 820.3 MB in the beginning and 780.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:58,070 INFO L168 Benchmark]: Boogie Preprocessor took 519.05 ms. Allocated memory is still 1.0 GB. Free memory was 780.2 MB in the beginning and 751.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:58,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 4947.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.3 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 590.40 ms. Allocated memory is still 1.0 GB. Free memory was 820.3 MB in the beginning and 780.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 519.05 ms. Allocated memory is still 1.0 GB. Free memory was 780.2 MB in the beginning and 751.6 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 0.1.24-509859d [2019-11-27 15:45:01,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:45:01,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:45:01,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:45:01,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:45:01,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:45:01,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:45:01,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:45:02,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:45:02,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:45:02,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:45:02,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:45:02,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:45:02,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:45:02,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:45:02,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:45:02,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:45:02,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:45:02,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:45:02,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:45:02,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:45:02,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:45:02,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:45:02,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:45:02,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:45:02,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:45:02,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:45:02,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:45:02,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:45:02,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:45:02,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:45:02,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:45:02,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:45:02,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:45:02,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:45:02,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:45:02,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:45:02,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:45:02,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:45:02,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:45:02,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:45:02,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:45:02,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:45:02,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:45:02,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:45:02,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:45:02,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:45:02,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:45:02,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:45:02,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:45:02,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:45:02,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:45:02,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:45:02,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:45:02,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:45:02,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:45:02,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:45:02,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:45:02,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:45:02,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:45:02,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:45:02,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:45:02,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:45:02,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:45:02,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:45:02,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:45:02,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:45:02,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:45:02,189 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:45:02,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:45:02,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:45:02,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:45:02,192 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 -> ba1c1bc50fbd97dfd24ea23dfd687b6699be6287 [2019-11-27 15:45:02,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:45:02,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:45:02,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:45:02,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:45:02,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:45:02,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2019-11-27 15:45:02,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00cdbb37c/45deb30bfa5545df9d374f3b8b5ca047/FLAG7bd6be86d [2019-11-27 15:45:04,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:45:04,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2019-11-27 15:45:04,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00cdbb37c/45deb30bfa5545df9d374f3b8b5ca047/FLAG7bd6be86d [2019-11-27 15:45:04,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00cdbb37c/45deb30bfa5545df9d374f3b8b5ca047 [2019-11-27 15:45:04,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:45:04,654 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:45:04,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:04,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:45:04,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:45:04,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:04" (1/1) ... [2019-11-27 15:45:04,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:04, skipping insertion in model container [2019-11-27 15:45:04,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:04" (1/1) ... [2019-11-27 15:45:04,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:45:05,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:45:08,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:08,265 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:45:09,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:09,873 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:45:09,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09 WrapperNode [2019-11-27 15:45:09,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:09,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:09,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:45:09,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:45:09,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:10,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:45:10,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:45:10,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:45:10,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:10,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:09" (1/1) ... [2019-11-27 15:45:11,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:45:11,017 INFO L168 Benchmark]: Toolchain (without parser) took 6360.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 734.5 MB in the end (delta: 208.6 MB). Peak memory consumption was 208.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:11,021 INFO L168 Benchmark]: CDTParser took 1.62 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 15:45:11,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5220.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 797.5 MB in the end (delta: 145.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:11,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 535.87 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:11,029 INFO L168 Benchmark]: Boogie Preprocessor took 594.16 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 734.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:11,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 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 5220.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 797.5 MB in the end (delta: 145.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 535.87 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 594.16 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 734.5 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...