./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label50.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 c88dc41bb0c5752717ba5895f8d33afd40276a61 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label50.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 c88dc41bb0c5752717ba5895f8d33afd40276a61 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:35,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:35,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:35,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:35,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:35,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:35,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:35,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:35,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:35,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:35,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:35,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:35,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:35,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:35,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:35,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:35,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:35,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:35,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:35,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:35,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:35,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:35,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:35,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:35,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:35,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:35,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:35,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:35,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:35,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:35,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:35,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:35,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:35,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:35,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:35,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:35,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:35,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:35,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:35,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:35,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:35,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:35,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:35,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:35,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:35,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:35,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:35,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:35,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:35,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:35,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:35,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:35,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:35,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:35,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:35,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:35,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:35,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:35,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:35,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:35,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:35,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:35,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:35,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:35,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:35,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:35,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:35,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:35,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:35,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:35,388 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 -> c88dc41bb0c5752717ba5895f8d33afd40276a61 [2019-11-27 09:21:35,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:35,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:35,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:35,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:35,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:35,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2019-11-27 09:21:36,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d19289f5/747aa307033a4b518726bb4b6afc86f1/FLAGe85b19404 [2019-11-27 09:21:37,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:37,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2019-11-27 09:21:37,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d19289f5/747aa307033a4b518726bb4b6afc86f1/FLAGe85b19404 [2019-11-27 09:21:37,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d19289f5/747aa307033a4b518726bb4b6afc86f1 [2019-11-27 09:21:37,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:37,783 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:37,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:37,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:37,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:37,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:37" (1/1) ... [2019-11-27 09:21:37,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:37, skipping insertion in model container [2019-11-27 09:21:37,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:37" (1/1) ... [2019-11-27 09:21:37,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:37,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:38,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:38,934 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:39,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:39,438 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:39,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39 WrapperNode [2019-11-27 09:21:39,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:39,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:39,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:39,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:39,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:39,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:39,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:39,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:39,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:39" (1/1) ... [2019-11-27 09:21:39,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:39,821 INFO L168 Benchmark]: Toolchain (without parser) took 2037.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.6 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:39,825 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-27 09:21:39,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1656.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 983.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:39,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.33 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:39,835 INFO L168 Benchmark]: Boogie Preprocessor took 204.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:39,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1656.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 983.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.33 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:43,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:43,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:43,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:43,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:43,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:43,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:43,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:43,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:43,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:43,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:43,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:43,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:43,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:43,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:43,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:43,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:43,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:43,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:43,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:43,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:43,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:43,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:43,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:43,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:43,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:43,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:43,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:43,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:43,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:43,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:43,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:43,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:43,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:43,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:43,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:43,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:43,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:43,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:43,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:43,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:43,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:43,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:43,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:43,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:43,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:43,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:43,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:43,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:43,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:43,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:43,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:43,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:43,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:43,930 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:43,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:43,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:43,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:43,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:43,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:43,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:43,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:43,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:43,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:43,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:43,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:43,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:43,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:43,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:43,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:43,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:43,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:43,944 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 -> c88dc41bb0c5752717ba5895f8d33afd40276a61 [2019-11-27 09:21:44,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:44,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:44,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:44,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:44,607 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:44,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2019-11-27 09:21:44,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52bd25fb6/b56481c99287488c9d2f1faa0bf4290d/FLAG695d4881b [2019-11-27 09:21:45,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:45,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2019-11-27 09:21:45,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52bd25fb6/b56481c99287488c9d2f1faa0bf4290d/FLAG695d4881b [2019-11-27 09:21:46,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52bd25fb6/b56481c99287488c9d2f1faa0bf4290d [2019-11-27 09:21:46,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:46,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:46,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:46,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:46,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:46,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:46" (1/1) ... [2019-11-27 09:21:46,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:46, skipping insertion in model container [2019-11-27 09:21:46,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:46" (1/1) ... [2019-11-27 09:21:46,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:46,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:47,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:47,483 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:47,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:47,945 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:47,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47 WrapperNode [2019-11-27 09:21:47,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:47,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:47,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:47,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:47,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:48,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:48,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:48,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:48,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:47" (1/1) ... [2019-11-27 09:21:48,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:48,328 INFO L168 Benchmark]: Toolchain (without parser) took 1927.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.6 MB in the end (delta: 807.2 kB). Peak memory consumption was 872.7 kB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,329 INFO L168 Benchmark]: CDTParser took 2.16 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:48,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1541.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.99 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,339 INFO L168 Benchmark]: Boogie Preprocessor took 187.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 966.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.16 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 1541.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.99 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 187.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 966.6 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...