./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label21.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/Problem11_label21.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 3417c69af9082461360c89228cfebeb34dbd1c6e --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:36:19,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:36:19,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:36:19,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:36:19,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:36:19,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:36:19,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:36:19,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:36:19,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:36:19,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:36:19,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:36:19,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:36:19,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:36:19,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:36:19,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:36:19,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:36:19,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:36:19,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:36:19,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:36:19,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:36:19,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:36:19,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:36:19,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:36:19,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:36:19,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:36:19,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:36:19,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:36:19,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:36:19,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:36:19,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:36:19,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:36:19,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:36:19,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:36:19,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:36:19,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:36:19,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:36:19,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:36:19,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:36:19,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:36:19,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:36:19,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:36:19,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:36:19,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:36:19,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:36:19,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:36:19,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:36:19,892 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:36:19,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:36:19,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:36:19,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:36:19,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:36:19,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:36:19,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:36:19,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:36:19,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:36:19,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:36:19,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:36:19,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:36:19,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:36:19,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:36:19,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:36:19,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:36:19,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:36:19,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:36:19,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:36:19,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:36:19,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:36:19,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:36:19,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:36:19,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:36:19,906 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 -> 3417c69af9082461360c89228cfebeb34dbd1c6e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:36:20,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:36:20,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:36:20,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:36:20,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:36:20,479 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:36:20,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2019-11-20 22:36:20,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be17aeca0/ddbc5484958447fb9a100545527945cf/FLAG26e632012 [2019-11-20 22:36:21,930 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:36:21,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2019-11-20 22:36:21,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be17aeca0/ddbc5484958447fb9a100545527945cf/FLAG26e632012 [2019-11-20 22:36:22,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be17aeca0/ddbc5484958447fb9a100545527945cf [2019-11-20 22:36:22,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:36:22,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:36:22,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:36:22,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:36:22,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:36:22,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:22" (1/1) ... [2019-11-20 22:36:22,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55385f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:22, skipping insertion in model container [2019-11-20 22:36:22,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:22" (1/1) ... [2019-11-20 22:36:22,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:36:22,190 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:36:23,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:36:23,579 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:36:23,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:36:24,023 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:36:24,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24 WrapperNode [2019-11-20 22:36:24,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:36:24,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:36:24,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:36:24,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:36:24,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:36:24,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:36:24,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:36:24,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:36:24,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:24" (1/1) ... [2019-11-20 22:36:24,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:36:24,588 INFO L168 Benchmark]: Toolchain (without parser) took 2564.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 920.2 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:36:24,592 INFO L168 Benchmark]: CDTParser took 1.20 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. [2019-11-20 22:36:24,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2008.70 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 948.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:36:24,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 268.60 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 931.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-20 22:36:24,599 INFO L168 Benchmark]: Boogie Preprocessor took 279.55 ms. Allocated memory is still 1.0 GB. Free memory was 931.7 MB in the beginning and 920.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:36:24,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 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 2008.70 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 948.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 268.60 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 931.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 279.55 ms. Allocated memory is still 1.0 GB. Free memory was 931.7 MB in the beginning and 920.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...