./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label07.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/Problem02_label07.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 e1aefec8ddab0c97dfdccb598d218efc3fd3f309 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label07.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 e1aefec8ddab0c97dfdccb598d218efc3fd3f309 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:42:54,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:54,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:54,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:54,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:54,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:54,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:54,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:54,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:54,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:54,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:54,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:54,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:54,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:54,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:54,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:54,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:54,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:54,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:54,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:54,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:54,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:54,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:54,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:54,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:54,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:54,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:54,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:54,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:54,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:54,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:54,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:54,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:54,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:54,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:54,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:54,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:54,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:54,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:54,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:54,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:54,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:54,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:54,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:54,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:54,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:54,396 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:54,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:54,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:54,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:54,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:54,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:54,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:54,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:54,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:54,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:54,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:54,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:54,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:54,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:54,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:54,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:54,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:54,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:54,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:54,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:54,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:54,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:54,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:54,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:54,413 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 -> e1aefec8ddab0c97dfdccb598d218efc3fd3f309 [2019-11-27 15:42:55,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:55,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:55,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:55,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:55,061 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:55,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-11-27 15:42:55,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b324459/a350c7d707774e7a8c7f89a6ea645343/FLAG56bb22312 [2019-11-27 15:42:56,509 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:56,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-11-27 15:42:56,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b324459/a350c7d707774e7a8c7f89a6ea645343/FLAG56bb22312 [2019-11-27 15:42:56,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b324459/a350c7d707774e7a8c7f89a6ea645343 [2019-11-27 15:42:56,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:56,606 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:56,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:56,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:56,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:56,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56, skipping insertion in model container [2019-11-27 15:42:56,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:56,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:57,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:57,888 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:58,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:58,236 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:58,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58 WrapperNode [2019-11-27 15:42:58,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:58,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:58,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:58,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:58,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:58,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:58,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:58,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:58,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:58" (1/1) ... [2019-11-27 15:42:58,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:58,684 INFO L168 Benchmark]: Toolchain (without parser) took 2070.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.7 MB in the end (delta: -2.2 kB). Peak memory consumption was 63.3 kB. Max. memory is 12.5 GB. [2019-11-27 15:42:58,685 INFO L168 Benchmark]: CDTParser took 0.37 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 15:42:58,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1629.69 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 973.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:58,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.27 ms. Allocated memory is still 1.0 GB. Free memory was 973.2 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:58,696 INFO L168 Benchmark]: Boogie Preprocessor took 218.22 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:58,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1629.69 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 973.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 215.27 ms. Allocated memory is still 1.0 GB. Free memory was 973.2 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 218.22 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:43:02,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:02,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:02,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:02,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:02,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:02,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:02,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:02,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:02,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:02,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:02,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:02,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:02,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:02,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:02,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:02,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:02,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:02,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:02,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:02,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:02,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:02,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:02,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:02,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:02,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:02,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:02,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:02,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:02,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:02,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:02,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:02,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:02,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:02,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:02,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:02,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:02,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:02,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:02,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:02,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:02,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:02,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:02,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:02,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:02,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:02,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:02,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:02,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:02,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:02,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:02,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:02,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:02,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:02,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:02,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:02,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:02,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:02,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:02,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:02,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:02,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:02,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:02,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:02,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:02,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:02,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:02,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:02,903 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:02,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:02,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:02,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:02,907 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 -> e1aefec8ddab0c97dfdccb598d218efc3fd3f309 [2019-11-27 15:43:03,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:03,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:03,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:03,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:03,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:03,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-11-27 15:43:03,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f935f84d8/4cb4ffbe719143cda7f254ad2fe5b084/FLAGccf4ea006 [2019-11-27 15:43:05,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:05,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-11-27 15:43:05,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f935f84d8/4cb4ffbe719143cda7f254ad2fe5b084/FLAGccf4ea006 [2019-11-27 15:43:05,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f935f84d8/4cb4ffbe719143cda7f254ad2fe5b084 [2019-11-27 15:43:05,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:05,112 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:05,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:05,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:05,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:05,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05, skipping insertion in model container [2019-11-27 15:43:05,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:05,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:06,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:06,437 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:06,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:06,792 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:06,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06 WrapperNode [2019-11-27 15:43:06,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:06,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:06,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:06,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:06,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:06,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:07,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:07,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:07,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:07,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:06" (1/1) ... [2019-11-27 15:43:07,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:07,235 INFO L168 Benchmark]: Toolchain (without parser) took 2114.80 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 955.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:07,236 INFO L168 Benchmark]: CDTParser took 0.79 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 15:43:07,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1678.95 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:07,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.48 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:07,248 INFO L168 Benchmark]: Boogie Preprocessor took 200.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:07,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 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 1678.95 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 225.48 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 200.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...