./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/Problem17_label42.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 740d37379aea2fad5292fccf2ef7f37563d48343 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem17_label42.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 740d37379aea2fad5292fccf2ef7f37563d48343 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:37:50,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:50,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:50,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:50,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:50,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:50,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:50,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:50,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:50,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:50,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:50,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:50,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:50,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:50,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:50,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:50,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:50,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:50,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:50,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:50,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:50,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:50,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:50,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:51,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:51,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:51,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:51,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:51,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:51,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:51,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:51,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:51,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:51,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:51,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:51,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:51,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:51,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:51,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:51,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:51,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:51,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:37:51,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:51,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:51,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:51,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:51,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:51,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:51,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:51,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:37:51,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:51,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:51,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:51,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:51,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:51,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:51,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:51,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:51,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:51,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:51,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:51,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:51,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:51,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:51,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:51,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:51,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:51,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:37:51,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:37:51,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:51,113 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 -> 740d37379aea2fad5292fccf2ef7f37563d48343 [2019-11-27 09:37:51,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:51,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:51,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:51,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:51,735 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:51,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-27 09:37:51,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20f446c3/19a4ab1459d34ba3881cfe09dc8936d2/FLAGabc01e3f6 [2019-11-27 09:37:53,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:53,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-27 09:37:53,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20f446c3/19a4ab1459d34ba3881cfe09dc8936d2/FLAGabc01e3f6 [2019-11-27 09:37:53,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20f446c3/19a4ab1459d34ba3881cfe09dc8936d2 [2019-11-27 09:37:53,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:53,561 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:53,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:53,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:53,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:53,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:53" (1/1) ... [2019-11-27 09:37:53,586 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 27.11 09:37:53, skipping insertion in model container [2019-11-27 09:37:53,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:53" (1/1) ... [2019-11-27 09:37:53,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:53,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:56,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:56,087 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:57,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:57,086 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:57,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57 WrapperNode [2019-11-27 09:37:57,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:57,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:57,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:57,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:57,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:57,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:57,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:57,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:57,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:57,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:57,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:57,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:57,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:58,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:58,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:58,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:57" (1/1) ... [2019-11-27 09:37:58,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:58,552 INFO L168 Benchmark]: Toolchain (without parser) took 4985.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 781.4 MB in the end (delta: 180.3 MB). Peak memory consumption was 180.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:58,554 INFO L168 Benchmark]: CDTParser took 2.36 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. [2019-11-27 09:37:58,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3522.99 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 873.6 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:58,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 725.54 ms. Allocated memory is still 1.0 GB. Free memory was 873.6 MB in the beginning and 816.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:58,565 INFO L168 Benchmark]: Boogie Preprocessor took 726.81 ms. Allocated memory is still 1.0 GB. Free memory was 816.3 MB in the beginning and 781.4 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:58,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.36 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 3522.99 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 873.6 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 725.54 ms. Allocated memory is still 1.0 GB. Free memory was 873.6 MB in the beginning and 816.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 726.81 ms. Allocated memory is still 1.0 GB. Free memory was 816.3 MB in the beginning and 781.4 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 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-da95e15 [2019-11-27 09:38:02,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:02,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:02,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:02,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:02,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:02,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:02,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:02,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:02,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:02,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:02,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:02,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:02,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:02,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:02,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:02,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:02,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:02,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:02,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:02,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:02,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:02,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:02,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:02,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:02,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:02,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:02,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:02,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:02,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:02,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:02,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:02,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:02,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:02,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:02,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:02,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:02,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:02,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:02,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:02,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:02,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:02,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:02,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:02,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:02,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:02,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:02,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:02,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:02,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:02,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:02,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:02,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:02,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:02,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:02,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:02,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:02,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:02,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:02,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:02,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:02,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:02,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:02,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:02,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:02,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:02,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:02,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:02,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:02,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:02,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:02,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:02,892 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 -> 740d37379aea2fad5292fccf2ef7f37563d48343 [2019-11-27 09:38:03,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:03,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:03,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:03,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:03,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:03,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-27 09:38:03,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54377add/80bf58daed584a47bbb681aae92073b0/FLAG6906edc63 [2019-11-27 09:38:05,144 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:05,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-27 09:38:05,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54377add/80bf58daed584a47bbb681aae92073b0/FLAG6906edc63 [2019-11-27 09:38:05,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54377add/80bf58daed584a47bbb681aae92073b0 [2019-11-27 09:38:05,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:05,266 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:05,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:05,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:05,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:05,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:05" (1/1) ... [2019-11-27 09:38:05,291 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 27.11 09:38:05, skipping insertion in model container [2019-11-27 09:38:05,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:05" (1/1) ... [2019-11-27 09:38:05,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:05,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:08,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:08,019 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:09,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:09,273 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:09,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09 WrapperNode [2019-11-27 09:38:09,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:09,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:09,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:09,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:09,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:09,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:09,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:09,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:09,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:09,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:10,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:10,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:09" (1/1) ... [2019-11-27 09:38:10,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:10,147 INFO L168 Benchmark]: Toolchain (without parser) took 4877.20 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 782.2 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:10,148 INFO L168 Benchmark]: CDTParser took 3.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:38:10,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4009.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 828.0 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:10,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 406.89 ms. Allocated memory is still 1.0 GB. Free memory was 828.0 MB in the beginning and 805.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:10,161 INFO L168 Benchmark]: Boogie Preprocessor took 453.69 ms. Allocated memory is still 1.0 GB. Free memory was 805.1 MB in the beginning and 787.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:10,170 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.54 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 4009.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 828.0 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 406.89 ms. Allocated memory is still 1.0 GB. Free memory was 828.0 MB in the beginning and 805.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 453.69 ms. Allocated memory is still 1.0 GB. Free memory was 805.1 MB in the beginning and 787.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...