./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem12_label20.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 f6e53bbff1b5ab148aad810c5c6aeade951d7542 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem12_label20.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 f6e53bbff1b5ab148aad810c5c6aeade951d7542 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:46:24,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:46:24,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:46:24,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:46:24,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:46:24,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:46:24,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:46:24,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:46:24,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:46:24,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:46:24,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:46:24,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:46:24,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:46:24,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:46:24,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:46:24,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:46:24,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:46:24,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:46:24,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:46:24,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:46:24,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:46:24,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:46:24,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:46:24,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:46:24,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:46:24,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:46:24,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:46:24,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:46:24,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:46:24,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:46:24,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:46:24,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:46:24,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:46:24,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:46:24,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:46:24,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:46:24,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:46:24,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:46:24,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:46:24,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:46:24,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:46:24,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:46:24,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:46:24,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:46:24,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:46:24,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:46:24,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:46:24,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:46:24,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:46:24,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:46:24,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:46:24,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:46:24,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:46:24,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:46:24,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:46:24,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:46:24,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:46:24,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:46:24,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:46:24,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:46:24,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:46:24,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:46:24,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:46:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:46:24,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:46:24,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:46:24,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:46:24,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:46:24,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:46:24,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:46:24,605 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 -> f6e53bbff1b5ab148aad810c5c6aeade951d7542 [2019-11-26 16:46:25,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:46:25,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:46:25,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:46:25,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:46:25,210 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:46:25,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-26 16:46:25,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24f709dc/61c27ea050ac4c9cbdee7cf439a383f4/FLAG224cb76a1 [2019-11-26 16:46:27,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:46:27,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-26 16:46:27,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24f709dc/61c27ea050ac4c9cbdee7cf439a383f4/FLAG224cb76a1 [2019-11-26 16:46:27,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24f709dc/61c27ea050ac4c9cbdee7cf439a383f4 [2019-11-26 16:46:27,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:46:27,585 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:46:27,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:46:27,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:46:27,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:46:27,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:46:27" (1/1) ... [2019-11-26 16:46:27,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:27, skipping insertion in model container [2019-11-26 16:46:27,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:46:27" (1/1) ... [2019-11-26 16:46:27,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:46:27,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:46:30,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:46:30,671 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:46:32,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:46:32,122 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:46:32,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32 WrapperNode [2019-11-26 16:46:32,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:46:32,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:46:32,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:46:32,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:46:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:32,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:32,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:46:32,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:46:32,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:46:32,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:46:32,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:32,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:33,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:33,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:33,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:33,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:33,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:32" (1/1) ... [2019-11-26 16:46:34,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:46:34,460 INFO L168 Benchmark]: Toolchain (without parser) took 6876.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 911.0 MB in the end (delta: 44.9 MB). Peak memory consumption was 324.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:34,461 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:46:34,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4536.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.3 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:34,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 805.10 ms. Allocated memory is still 1.0 GB. Free memory was 820.3 MB in the beginning and 751.5 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:34,469 INFO L168 Benchmark]: Boogie Preprocessor took 1526.65 ms. Allocated memory is still 1.0 GB. Free memory was 751.5 MB in the beginning and 911.0 MB in the end (delta: -159.5 MB). Peak memory consumption was 120.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:34,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 4536.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.3 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 805.10 ms. Allocated memory is still 1.0 GB. Free memory was 820.3 MB in the beginning and 751.5 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1526.65 ms. Allocated memory is still 1.0 GB. Free memory was 751.5 MB in the beginning and 911.0 MB in the end (delta: -159.5 MB). Peak memory consumption was 120.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:46:38,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:46:38,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:46:38,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:46:38,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:46:38,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:46:38,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:46:38,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:46:38,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:46:38,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:46:38,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:46:38,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:46:38,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:46:38,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:46:38,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:46:38,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:46:38,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:46:38,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:46:38,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:46:38,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:46:38,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:46:38,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:46:38,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:46:38,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:46:38,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:46:38,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:46:38,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:46:38,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:46:38,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:46:38,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:46:38,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:46:38,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:46:38,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:46:38,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:46:38,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:46:38,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:46:38,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:46:38,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:46:38,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:46:38,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:46:38,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:46:38,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:46:38,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:46:38,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:46:38,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:46:38,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:46:38,560 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:46:38,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:46:38,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:46:38,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:46:38,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:46:38,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:46:38,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:46:38,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:46:38,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:46:38,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:46:38,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:46:38,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:46:38,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:46:38,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:46:38,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:46:38,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:46:38,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:46:38,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:46:38,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:46:38,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:46:38,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:46:38,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:46:38,575 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:46:38,575 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:46:38,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:46:38,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:46:38,578 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 -> f6e53bbff1b5ab148aad810c5c6aeade951d7542 [2019-11-26 16:46:39,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:46:39,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:46:39,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:46:39,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:46:39,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:46:39,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-26 16:46:39,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c92ed3bc/d56589273ee04230b431b628d4270da4/FLAG7da442f45 [2019-11-26 16:46:41,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:46:41,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-26 16:46:41,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c92ed3bc/d56589273ee04230b431b628d4270da4/FLAG7da442f45 [2019-11-26 16:46:41,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c92ed3bc/d56589273ee04230b431b628d4270da4 [2019-11-26 16:46:41,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:46:41,261 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:46:41,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:46:41,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:46:41,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:46:41,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:46:41" (1/1) ... [2019-11-26 16:46:41,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:41, skipping insertion in model container [2019-11-26 16:46:41,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:46:41" (1/1) ... [2019-11-26 16:46:41,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:46:41,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:46:45,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:46:45,056 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:46:46,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:46:46,599 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:46:46,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46 WrapperNode [2019-11-26 16:46:46,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:46:46,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:46:46,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:46:46,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:46:46,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:46,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:46:47,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:46:47,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:46:47,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:46:47,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:46:46" (1/1) ... [2019-11-26 16:46:47,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:46:47,964 INFO L168 Benchmark]: Toolchain (without parser) took 6696.61 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 943.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 287.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:47,966 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:46:47,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5336.63 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 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:47,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 563.74 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:47,978 INFO L168 Benchmark]: Boogie Preprocessor took 786.68 ms. Allocated memory is still 1.0 GB. Free memory was 740.4 MB in the beginning and 943.1 MB in the end (delta: -202.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:46:47,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5336.63 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 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 563.74 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 786.68 ms. Allocated memory is still 1.0 GB. Free memory was 740.4 MB in the beginning and 943.1 MB in the end (delta: -202.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...