./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem19_label00.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 790d724835991f8f4cc28f53ac268115f0488a6a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem19_label00.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 790d724835991f8f4cc28f53ac268115f0488a6a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:00:43,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:43,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:43,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:43,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:43,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:43,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:43,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:43,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:43,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:43,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:43,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:43,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:43,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:43,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:43,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:43,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:43,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:43,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:43,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:43,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:43,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:43,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:43,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:43,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:43,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:43,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:43,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:43,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:43,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:43,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:43,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:43,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:43,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:43,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:43,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:43,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:43,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:43,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:43,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:43,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:43,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:00:43,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:43,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:43,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:43,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:43,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:43,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:43,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:43,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:00:43,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:43,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:43,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:43,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:43,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:43,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:43,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:43,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:43,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:43,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:43,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:43,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:43,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:43,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:43,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:43,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:43,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:43,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:00:43,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:00:43,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:43,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 790d724835991f8f4cc28f53ac268115f0488a6a [2019-11-27 16:00:43,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:43,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:44,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:44,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:44,011 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:44,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label00.c [2019-11-27 16:00:44,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13df52e8d/b0ebc5a9d93c4151819fd21a8f177966/FLAGa1697a825 [2019-11-27 16:00:46,111 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:46,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label00.c [2019-11-27 16:00:46,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13df52e8d/b0ebc5a9d93c4151819fd21a8f177966/FLAGa1697a825 [2019-11-27 16:00:46,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13df52e8d/b0ebc5a9d93c4151819fd21a8f177966 [2019-11-27 16:00:46,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:46,286 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:46,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:46,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:46,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:46,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:46" (1/1) ... [2019-11-27 16:00:46,309 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 27.11 04:00:46, skipping insertion in model container [2019-11-27 16:00:46,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:46" (1/1) ... [2019-11-27 16:00:46,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:46,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:51,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:51,603 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:54,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:54,468 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:54,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54 WrapperNode [2019-11-27 16:00:54,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:54,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:54,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:54,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:54,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:54,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:56,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:56,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:56,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:56,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:56,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:56,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:56,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:56,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:57,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:57,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:58,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:54" (1/1) ... [2019-11-27 16:00:58,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:58,288 INFO L168 Benchmark]: Toolchain (without parser) took 11994.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 772.6 MB in the end (delta: 160.4 MB). Peak memory consumption was 383.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:58,289 INFO L168 Benchmark]: CDTParser took 0.35 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 16:00:58,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8182.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 866.0 MB in the end (delta: 67.1 MB). Peak memory consumption was 270.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:58,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 1561.08 ms. Allocated memory is still 1.0 GB. Free memory was 866.0 MB in the beginning and 694.9 MB in the end (delta: 171.0 MB). Peak memory consumption was 171.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:58,298 INFO L168 Benchmark]: Boogie Preprocessor took 2241.38 ms. Allocated memory is still 1.0 GB. Free memory was 694.9 MB in the beginning and 772.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 145.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:58,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 8182.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 866.0 MB in the end (delta: 67.1 MB). Peak memory consumption was 270.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1561.08 ms. Allocated memory is still 1.0 GB. Free memory was 866.0 MB in the beginning and 694.9 MB in the end (delta: 171.0 MB). Peak memory consumption was 171.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2241.38 ms. Allocated memory is still 1.0 GB. Free memory was 694.9 MB in the beginning and 772.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 145.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:01:02,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:02,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:02,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:02,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:02,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:02,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:02,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:02,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:02,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:02,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:02,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:02,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:02,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:02,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:02,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:02,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:02,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:02,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:02,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:02,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:02,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:02,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:02,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:02,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:02,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:02,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:02,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:02,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:02,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:02,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:02,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:02,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:02,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:02,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:02,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:02,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:02,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:02,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:02,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:02,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:02,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:02,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:02,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:02,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:02,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:02,669 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:02,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:02,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:02,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:02,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:02,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:02,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:02,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:02,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:02,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:02,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:02,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:02,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:02,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:02,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:02,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:02,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:02,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:02,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:02,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:02,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:02,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:02,685 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:02,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:02,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:02,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:02,690 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 -> 790d724835991f8f4cc28f53ac268115f0488a6a [2019-11-27 16:01:03,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:03,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:03,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:03,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:03,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:03,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label00.c [2019-11-27 16:01:03,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b13766/f18d5ecdfa514483bf6a38324b4efe9a/FLAG78a63bef1 [2019-11-27 16:01:05,472 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:05,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label00.c [2019-11-27 16:01:05,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b13766/f18d5ecdfa514483bf6a38324b4efe9a/FLAG78a63bef1 [2019-11-27 16:01:05,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b13766/f18d5ecdfa514483bf6a38324b4efe9a [2019-11-27 16:01:05,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:05,647 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:05,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:05,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:05,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:05,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:05" (1/1) ... [2019-11-27 16:01:05,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:05, skipping insertion in model container [2019-11-27 16:01:05,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:05" (1/1) ... [2019-11-27 16:01:05,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:06,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:11,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:11,092 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:13,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:13,999 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:14,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14 WrapperNode [2019-11-27 16:01:14,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:14,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:14,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:14,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:14,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:14,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:14,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:14,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:14,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:14,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:14,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:14,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:14,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:14,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:15,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:15,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:16,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:14" (1/1) ... [2019-11-27 16:01:16,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:16,174 INFO L168 Benchmark]: Toolchain (without parser) took 10524.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 866.9 MB in the end (delta: 66.2 MB). Peak memory consumption was 310.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:16,175 INFO L168 Benchmark]: CDTParser took 0.52 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 16:01:16,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8356.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 757.9 MB in the end (delta: 175.1 MB). Peak memory consumption was 253.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:16,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 736.64 ms. Allocated memory is still 1.0 GB. Free memory was 757.9 MB in the beginning and 693.1 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:16,186 INFO L168 Benchmark]: Boogie Preprocessor took 1421.62 ms. Allocated memory is still 1.0 GB. Free memory was 693.1 MB in the beginning and 866.9 MB in the end (delta: -173.8 MB). Peak memory consumption was 70.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:16,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 8356.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 757.9 MB in the end (delta: 175.1 MB). Peak memory consumption was 253.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 736.64 ms. Allocated memory is still 1.0 GB. Free memory was 757.9 MB in the beginning and 693.1 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1421.62 ms. Allocated memory is still 1.0 GB. Free memory was 693.1 MB in the beginning and 866.9 MB in the end (delta: -173.8 MB). Peak memory consumption was 70.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...