./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label27.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/Problem19_label27.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 aa238906a0d14eb39a237c9d8642c5e667d0715b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_label27.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 aa238906a0d14eb39a237c9d8642c5e667d0715b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:52:05,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:52:05,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:52:05,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:52:05,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:52:05,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:52:05,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:52:05,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:52:05,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:52:05,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:52:05,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:52:05,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:52:05,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:52:05,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:52:05,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:52:05,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:52:05,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:52:05,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:52:05,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:52:05,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:52:05,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:52:05,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:52:05,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:52:05,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:52:05,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:52:05,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:52:05,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:52:05,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:52:05,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:52:05,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:52:05,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:52:05,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:52:05,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:52:05,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:52:05,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:52:05,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:52:05,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:52:05,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:52:05,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:52:05,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:52:05,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:52:05,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:52:05,627 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:52:05,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:52:05,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:52:05,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:52:05,635 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:52:05,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:52:05,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:52:05,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:52:05,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:52:05,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:52:05,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:52:05,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:52:05,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:52:05,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:52:05,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:52:05,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:52:05,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:52:05,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:52:05,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:52:05,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:52:05,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:52:05,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:52:05,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:52:05,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:52:05,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:52:05,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:52:05,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:52:05,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:52:05,654 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 -> aa238906a0d14eb39a237c9d8642c5e667d0715b [2019-11-26 16:52:06,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:52:06,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:52:06,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:52:06,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:52:06,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:52:06,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label27.c [2019-11-26 16:52:06,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f698de52/8328f084ca524b2591f8399797189b66/FLAG23231fef9 [2019-11-26 16:52:08,689 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:52:08,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label27.c [2019-11-26 16:52:08,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f698de52/8328f084ca524b2591f8399797189b66/FLAG23231fef9 [2019-11-26 16:52:08,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f698de52/8328f084ca524b2591f8399797189b66 [2019-11-26 16:52:08,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:52:08,895 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:52:08,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:52:08,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:52:08,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:52:08,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:52:08" (1/1) ... [2019-11-26 16:52:08,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:08, skipping insertion in model container [2019-11-26 16:52:08,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:52:08" (1/1) ... [2019-11-26 16:52:08,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:52:09,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:52:14,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:52:14,358 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:52:16,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:52:16,803 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:52:16,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16 WrapperNode [2019-11-26 16:52:16,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:52:16,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:52:16,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:52:16,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:52:16,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:17,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:18,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:52:18,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:52:18,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:52:18,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:52:18,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:18,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:18,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:18,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:20,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:20,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:20,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:16" (1/1) ... [2019-11-26 16:52:21,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:52:21,074 INFO L168 Benchmark]: Toolchain (without parser) took 12176.18 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 775.2 MB in the end (delta: 157.9 MB). Peak memory consumption was 382.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:21,077 INFO L168 Benchmark]: CDTParser took 0.39 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 16:52:21,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7908.66 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 872.5 MB in the end (delta: 60.6 MB). Peak memory consumption was 272.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:21,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 1539.83 ms. Allocated memory is still 1.0 GB. Free memory was 872.5 MB in the beginning and 697.5 MB in the end (delta: 174.9 MB). Peak memory consumption was 174.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:21,087 INFO L168 Benchmark]: Boogie Preprocessor took 2718.17 ms. Allocated memory is still 1.0 GB. Free memory was 697.5 MB in the beginning and 775.2 MB in the end (delta: -77.6 MB). Peak memory consumption was 146.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:21,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 7908.66 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 872.5 MB in the end (delta: 60.6 MB). Peak memory consumption was 272.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1539.83 ms. Allocated memory is still 1.0 GB. Free memory was 872.5 MB in the beginning and 697.5 MB in the end (delta: 174.9 MB). Peak memory consumption was 174.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2718.17 ms. Allocated memory is still 1.0 GB. Free memory was 697.5 MB in the beginning and 775.2 MB in the end (delta: -77.6 MB). Peak memory consumption was 146.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:52:25,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:52:25,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:52:25,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:52:25,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:52:25,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:52:25,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:52:25,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:52:25,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:52:25,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:52:25,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:52:25,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:52:25,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:52:25,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:52:25,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:52:25,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:52:25,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:52:25,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:52:25,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:52:25,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:52:25,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:52:25,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:52:25,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:52:25,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:52:25,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:52:25,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:52:25,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:52:25,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:52:25,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:52:25,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:52:25,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:52:25,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:52:25,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:52:25,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:52:25,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:52:25,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:52:25,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:52:25,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:52:25,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:52:25,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:52:25,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:52:25,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:52:25,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:52:25,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:52:25,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:52:25,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:52:25,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:52:25,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:52:25,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:52:25,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:52:25,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:52:25,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:52:25,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:52:25,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:52:25,476 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:52:25,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:52:25,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:52:25,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:52:25,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:52:25,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:52:25,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:52:25,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:52:25,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:52:25,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:52:25,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:52:25,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:52:25,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:52:25,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:52:25,490 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:52:25,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:52:25,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:52:25,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:52:25,495 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 -> aa238906a0d14eb39a237c9d8642c5e667d0715b [2019-11-26 16:52:26,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:52:26,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:52:26,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:52:26,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:52:26,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:52:26,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label27.c [2019-11-26 16:52:26,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d4a406c/e071613183f94d99a5a092737b1f4efc/FLAG1a82f2364 [2019-11-26 16:52:28,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:52:28,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label27.c [2019-11-26 16:52:28,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d4a406c/e071613183f94d99a5a092737b1f4efc/FLAG1a82f2364 [2019-11-26 16:52:28,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d4a406c/e071613183f94d99a5a092737b1f4efc [2019-11-26 16:52:28,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:52:28,627 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:52:28,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:52:28,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:52:28,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:52:28,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:52:28" (1/1) ... [2019-11-26 16:52:28,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:28, skipping insertion in model container [2019-11-26 16:52:28,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:52:28" (1/1) ... [2019-11-26 16:52:28,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:52:29,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:52:34,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:52:34,408 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:52:36,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:52:37,021 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:52:37,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37 WrapperNode [2019-11-26 16:52:37,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:52:37,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:52:37,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:52:37,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:52:37,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:37,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:37,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:52:37,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:52:37,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:52:37,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:52:37,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:37,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:37,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:37,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:38,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:38,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:38,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:52:37" (1/1) ... [2019-11-26 16:52:39,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:52:39,101 INFO L168 Benchmark]: Toolchain (without parser) took 10468.23 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 861.4 MB in the end (delta: 71.6 MB). Peak memory consumption was 313.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:39,101 INFO L168 Benchmark]: CDTParser took 0.40 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 16:52:39,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8395.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 759.9 MB in the end (delta: 173.2 MB). Peak memory consumption was 253.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:39,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 742.08 ms. Allocated memory is still 1.0 GB. Free memory was 759.9 MB in the beginning and 695.8 MB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:39,111 INFO L168 Benchmark]: Boogie Preprocessor took 1322.68 ms. Allocated memory is still 1.0 GB. Free memory was 695.8 MB in the beginning and 861.4 MB in the end (delta: -165.6 MB). Peak memory consumption was 76.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:52:39,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 8395.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 759.9 MB in the end (delta: 173.2 MB). Peak memory consumption was 253.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 742.08 ms. Allocated memory is still 1.0 GB. Free memory was 759.9 MB in the beginning and 695.8 MB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1322.68 ms. Allocated memory is still 1.0 GB. Free memory was 695.8 MB in the beginning and 861.4 MB in the end (delta: -165.6 MB). Peak memory consumption was 76.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...