./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/Problem01_label04.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 3774d82389353be2170e26cc4e53c0d06e3cb94d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:00:25,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:00:25,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:00:25,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:00:25,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:00:25,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:00:25,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:00:25,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:00:25,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:00:25,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:00:25,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:00:25,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:00:25,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:00:25,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:00:25,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:00:25,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:00:25,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:00:25,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:00:25,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:00:25,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:00:25,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:00:25,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:00:25,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:00:25,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:00:25,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:00:25,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:00:25,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:00:25,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:00:25,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:00:25,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:00:25,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:00:25,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:00:25,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:00:25,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:00:25,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:00:25,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:00:25,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:00:25,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:00:25,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:00:25,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:00:25,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:00:25,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:00:25,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:00:25,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:00:25,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:00:25,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:00:25,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:00:25,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:00:25,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:00:25,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:00:25,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:00:25,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:00:25,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:00:25,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:00:25,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:00:25,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:00:25,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:00:25,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:00:25,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:00:25,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:00:25,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:00:25,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:00:25,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:00:25,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:00:25,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:00:25,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:00:25,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:00:25,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:00:25,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:00:25,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:00:25,779 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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2019-11-16 21:00:26,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:00:26,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:00:26,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:00:26,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:00:26,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:00:26,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-16 21:00:26,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de6a454bf/d0da684e0ca34d8db7d905b107a35017/FLAGdd033a26f [2019-11-16 21:00:27,820 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:00:27,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-16 21:00:27,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de6a454bf/d0da684e0ca34d8db7d905b107a35017/FLAGdd033a26f [2019-11-16 21:00:27,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de6a454bf/d0da684e0ca34d8db7d905b107a35017 [2019-11-16 21:00:27,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:00:27,914 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:00:27,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:27,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:00:27,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:00:27,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:27" (1/1) ... [2019-11-16 21:00:27,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7412340d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:27, skipping insertion in model container [2019-11-16 21:00:27,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:27" (1/1) ... [2019-11-16 21:00:27,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:00:28,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:00:29,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:29,330 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:00:29,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:29,612 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:00:29,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29 WrapperNode [2019-11-16 21:00:29,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:29,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:29,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:00:29,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:00:29,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:29,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:00:29,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:00:29,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:00:29,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:29,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:30,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:29" (1/1) ... [2019-11-16 21:00:30,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:00:30,038 INFO L168 Benchmark]: Toolchain (without parser) took 2118.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.3 MB in the end (delta: -10.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:00:30,039 INFO L168 Benchmark]: CDTParser took 1.45 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. [2019-11-16 21:00:30,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1697.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:30,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 245.83 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 972.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:30,049 INFO L168 Benchmark]: Boogie Preprocessor took 167.28 ms. Allocated memory is still 1.0 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:00:30,060 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 1697.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 245.83 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 972.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.28 ms. Allocated memory is still 1.0 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...