./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/Problem18_label26.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 aced3db685c61109ac5aa137b04226bec6bd3022 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem18_label26.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 aced3db685c61109ac5aa137b04226bec6bd3022 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:57:08,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:57:08,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:57:08,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:57:08,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:57:08,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:57:08,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:57:08,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:57:08,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:57:08,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:57:08,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:57:08,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:57:08,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:57:08,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:57:08,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:57:08,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:57:08,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:57:08,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:57:08,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:57:08,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:57:08,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:57:08,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:57:08,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:57:08,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:57:08,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:57:08,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:57:08,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:57:08,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:57:08,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:57:08,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:57:08,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:57:08,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:57:08,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:57:08,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:57:08,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:57:08,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:57:08,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:57:08,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:57:08,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:57:08,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:57:08,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:57:08,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:57:08,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:57:08,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:57:08,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:57:08,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:57:08,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:57:08,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:57:08,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:57:08,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:57:08,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:57:08,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:57:08,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:57:08,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:57:08,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:57:08,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:57:08,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:57:08,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:57:08,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:57:08,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:57:08,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:57:08,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:57:08,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:57:08,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:57:08,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:57:08,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:57:08,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:57:08,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:57:08,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:57:08,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:57:08,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:57:08,511 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 -> aced3db685c61109ac5aa137b04226bec6bd3022 [2019-11-24 20:57:09,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:57:09,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:57:09,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:57:09,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:57:09,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:57:09,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-24 20:57:09,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b124e2c/2a7839c6861f4f0eaf66b633d385d517/FLAGfc5a7aa99 [2019-11-24 20:57:10,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:57:10,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-24 20:57:10,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b124e2c/2a7839c6861f4f0eaf66b633d385d517/FLAGfc5a7aa99 [2019-11-24 20:57:10,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b124e2c/2a7839c6861f4f0eaf66b633d385d517 [2019-11-24 20:57:10,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:57:10,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:57:10,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:57:10,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:57:10,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:57:10,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:10" (1/1) ... [2019-11-24 20:57:10,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:10, skipping insertion in model container [2019-11-24 20:57:10,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:10" (1/1) ... [2019-11-24 20:57:10,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:57:11,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:57:13,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:57:13,538 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:57:14,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:57:14,640 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:57:14,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14 WrapperNode [2019-11-24 20:57:14,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:57:14,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:57:14,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:57:14,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:57:14,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:14,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:57:15,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:57:15,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:57:15,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:57:15,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:14" (1/1) ... [2019-11-24 20:57:15,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:57:15,809 INFO L168 Benchmark]: Toolchain (without parser) took 4868.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 798.5 MB in the end (delta: 151.7 MB). Peak memory consumption was 151.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:15,810 INFO L168 Benchmark]: CDTParser took 0.94 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. [2019-11-24 20:57:15,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3702.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.8 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:15,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 512.01 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:15,823 INFO L168 Benchmark]: Boogie Preprocessor took 639.46 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 798.5 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:15,838 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 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 3702.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.8 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 512.01 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 639.46 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 798.5 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 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 0.1.24-32f2683 [2019-11-24 20:57:19,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:57:19,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:57:19,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:57:19,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:57:19,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:57:19,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:57:19,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:57:19,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:57:19,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:57:19,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:57:19,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:57:19,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:57:19,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:57:19,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:57:19,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:57:19,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:57:19,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:57:19,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:57:19,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:57:19,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:57:19,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:57:19,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:57:19,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:57:19,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:57:19,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:57:19,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:57:19,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:57:19,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:57:19,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:57:19,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:57:19,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:57:19,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:57:19,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:57:19,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:57:19,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:57:19,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:57:19,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:57:19,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:57:19,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:57:19,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:57:19,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:57:19,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:57:19,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:57:20,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:57:20,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:57:20,011 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:57:20,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:57:20,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:57:20,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:57:20,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:57:20,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:57:20,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:57:20,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:57:20,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:57:20,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:57:20,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:57:20,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:57:20,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:57:20,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:57:20,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:57:20,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:57:20,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:57:20,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:57:20,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:57:20,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:57:20,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:57:20,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:57:20,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:57:20,027 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:57:20,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:57:20,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:57:20,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:57:20,031 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 -> aced3db685c61109ac5aa137b04226bec6bd3022 [2019-11-24 20:57:20,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:57:20,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:57:20,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:57:20,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:57:20,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:57:20,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-24 20:57:20,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d8bab83/db6fad80f1714cab8fb9517df9c847a4/FLAGab68571ca [2019-11-24 20:57:22,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:57:22,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-24 20:57:22,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d8bab83/db6fad80f1714cab8fb9517df9c847a4/FLAGab68571ca [2019-11-24 20:57:22,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d8bab83/db6fad80f1714cab8fb9517df9c847a4 [2019-11-24 20:57:22,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:57:22,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:57:22,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:57:22,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:57:22,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:57:22,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:22" (1/1) ... [2019-11-24 20:57:22,552 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 24.11 08:57:22, skipping insertion in model container [2019-11-24 20:57:22,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:22" (1/1) ... [2019-11-24 20:57:22,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:57:22,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:57:25,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:57:25,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:57:26,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:57:26,614 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:57:26,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26 WrapperNode [2019-11-24 20:57:26,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:57:26,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:57:26,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:57:26,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:57:26,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:26,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:57:27,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:57:27,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:57:27,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:57:27,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:26" (1/1) ... [2019-11-24 20:57:27,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:57:27,432 INFO L168 Benchmark]: Toolchain (without parser) took 4898.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 799.1 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:27,434 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-24 20:57:27,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4083.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:27,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 409.44 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:27,442 INFO L168 Benchmark]: Boogie Preprocessor took 395.15 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:57:27,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 4083.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 409.44 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 395.15 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...