./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/Problem16_label38.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 a2ba292005828600f3a43c583537eb6d9fa85c13 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem16_label38.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 a2ba292005828600f3a43c583537eb6d9fa85c13 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:50,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:50,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:50,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:50,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:50,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:50,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:50,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:50,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:50,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:50,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:50,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:50,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:50,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:50,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:50,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:50,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:50,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:50,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:50,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:50,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:50,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:50,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:50,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:50,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:50,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:50,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:50,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:50,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:50,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:50,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:50,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:50,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:50,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:50,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:50,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:50,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:50,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:50,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:50,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:50,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:50,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:49:50,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:50,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:50,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:50,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:50,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:50,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:50,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:50,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:49:50,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:50,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:50,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:50,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:50,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:50,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:50,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:50,661 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:50,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:50,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:50,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:50,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:50,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:50,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:50,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:50,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:50,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:50,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:49:50,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:49:50,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:50,669 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 -> a2ba292005828600f3a43c583537eb6d9fa85c13 [2019-11-26 16:49:51,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:51,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:51,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:51,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:51,273 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:51,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2019-11-26 16:49:51,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff37974ef/c393ff62db4845efb4fa51ac64dba01e/FLAGb98379812 [2019-11-26 16:49:52,899 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:52,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2019-11-26 16:49:52,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff37974ef/c393ff62db4845efb4fa51ac64dba01e/FLAGb98379812 [2019-11-26 16:49:52,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff37974ef/c393ff62db4845efb4fa51ac64dba01e [2019-11-26 16:49:53,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:53,006 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:53,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:53,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:53,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:53,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:52" (1/1) ... [2019-11-26 16:49:53,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210c1c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:53, skipping insertion in model container [2019-11-26 16:49:53,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:52" (1/1) ... [2019-11-26 16:49:53,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:53,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:54,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:55,000 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:55,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:55,566 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:55,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55 WrapperNode [2019-11-26 16:49:55,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:55,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:55,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:55,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:55,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:55,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:55,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:55,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:55,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:55,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:55,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:55,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:55,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:55,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:56,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:56,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:56,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:55" (1/1) ... [2019-11-26 16:49:56,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:56,289 INFO L168 Benchmark]: Toolchain (without parser) took 3277.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 897.7 MB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:56,290 INFO L168 Benchmark]: CDTParser took 1.41 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. [2019-11-26 16:49:56,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2564.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 932.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:56,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 358.01 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:56,303 INFO L168 Benchmark]: Boogie Preprocessor took 348.53 ms. Allocated memory is still 1.0 GB. Free memory was 909.4 MB in the beginning and 897.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:56,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 2564.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 932.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 358.01 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 348.53 ms. Allocated memory is still 1.0 GB. Free memory was 909.4 MB in the beginning and 897.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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 0.1.24-025d5a2 [2019-11-26 16:50:00,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:00,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:00,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:00,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:00,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:00,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:00,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:00,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:00,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:00,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:00,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:00,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:00,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:00,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:00,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:00,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:00,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:00,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:00,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:00,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:00,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:00,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:00,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:00,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:00,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:00,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:00,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:00,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:00,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:00,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:00,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:00,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:00,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:00,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:00,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:00,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:00,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:00,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:00,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:00,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:00,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:00,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:00,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:00,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:00,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:00,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:00,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:00,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:00,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:00,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:00,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:00,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:00,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:00,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:00,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:00,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:00,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:00,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:00,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:00,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:00,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:00,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:00,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:00,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:00,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:00,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:00,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:00,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:00,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:00,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:00,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:00,503 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 -> a2ba292005828600f3a43c583537eb6d9fa85c13 [2019-11-26 16:50:01,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:01,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:01,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:01,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:01,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:01,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2019-11-26 16:50:01,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875f7d0c7/e1c54c4cbd454efca87b5bff9c0eb9ec/FLAGa88a7e3ae [2019-11-26 16:50:02,774 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:02,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label38.c [2019-11-26 16:50:02,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875f7d0c7/e1c54c4cbd454efca87b5bff9c0eb9ec/FLAGa88a7e3ae [2019-11-26 16:50:02,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/875f7d0c7/e1c54c4cbd454efca87b5bff9c0eb9ec [2019-11-26 16:50:02,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:02,878 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:02,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:02,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:02,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:02,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:02" (1/1) ... [2019-11-26 16:50:02,906 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 26.11 04:50:02, skipping insertion in model container [2019-11-26 16:50:02,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:02" (1/1) ... [2019-11-26 16:50:02,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:03,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:04,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:04,953 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:05,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:06,035 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:06,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06 WrapperNode [2019-11-26 16:50:06,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:06,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:06,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:06,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:06,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:06,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:06,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:06,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:06,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:06" (1/1) ... [2019-11-26 16:50:06,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:06,570 INFO L168 Benchmark]: Toolchain (without parser) took 3687.27 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 892.6 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:06,572 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:50:06,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3155.27 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 915.5 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:06,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 282.74 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:06,583 INFO L168 Benchmark]: Boogie Preprocessor took 240.67 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:06,594 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3155.27 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 915.5 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 282.74 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 240.67 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...