./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label21.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/Problem16_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 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem16_label21.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 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:49:36,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:36,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:36,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:36,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:36,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:36,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:36,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:36,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:36,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:36,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:36,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:36,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:36,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:36,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:36,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:36,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:36,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:36,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:36,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:36,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:36,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:36,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:36,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:36,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:36,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:36,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:36,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:36,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:36,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:36,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:36,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:36,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:36,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:36,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:36,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:36,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:36,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:36,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:36,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:36,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:36,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:49:36,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:36,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:36,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:36,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:36,844 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:36,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:36,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:36,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:49:36,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:36,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:36,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:36,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:36,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:36,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:36,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:36,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:36,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:36,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:36,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:36,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:36,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:36,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:36,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:36,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:36,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:36,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:49:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:49:36,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:36,855 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 -> 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 [2019-11-26 16:49:37,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:37,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:37,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:37,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:37,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:37,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2019-11-26 16:49:37,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9857ae2/b8c37fdf7cfc4f8ab66d88d1e1365eba/FLAG2a01f37f0 [2019-11-26 16:49:38,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:38,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2019-11-26 16:49:38,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9857ae2/b8c37fdf7cfc4f8ab66d88d1e1365eba/FLAG2a01f37f0 [2019-11-26 16:49:38,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9857ae2/b8c37fdf7cfc4f8ab66d88d1e1365eba [2019-11-26 16:49:38,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:38,967 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:38,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:38,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:38,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:38,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:38" (1/1) ... [2019-11-26 16:49:38,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:38, skipping insertion in model container [2019-11-26 16:49:38,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:38" (1/1) ... [2019-11-26 16:49:38,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:39,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:40,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:40,238 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:40,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:40,597 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:40,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40 WrapperNode [2019-11-26 16:49:40,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:40,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:40,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:40,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:40,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:40,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:40,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:40,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:40,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:40,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:41,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:40" (1/1) ... [2019-11-26 16:49:41,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:41,074 INFO L168 Benchmark]: Toolchain (without parser) took 2105.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 898.4 MB in the end (delta: 56.1 MB). Peak memory consumption was 56.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:41,074 INFO L168 Benchmark]: CDTParser took 0.22 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 16:49:41,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1632.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 938.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:41,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.57 ms. Allocated memory is still 1.0 GB. Free memory was 938.6 MB in the beginning and 915.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:41,084 INFO L168 Benchmark]: Boogie Preprocessor took 241.05 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 898.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:41,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1632.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 938.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 225.57 ms. Allocated memory is still 1.0 GB. Free memory was 938.6 MB in the beginning and 915.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 241.05 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 898.4 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:43,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:43,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:43,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:43,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:43,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:43,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:43,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:43,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:43,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:43,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:43,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:43,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:43,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:43,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:43,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:43,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:43,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:43,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:43,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:43,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:43,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:43,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:43,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:43,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:43,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:43,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:43,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:43,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:43,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:43,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:43,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:43,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:43,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:43,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:43,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:43,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:43,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:43,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:43,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:43,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:43,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:49:43,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:43,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:43,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:43,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:43,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:43,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:43,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:43,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:43,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:43,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:43,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:43,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:43,943 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:49:43,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:49:43,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:43,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:43,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:43,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:43,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:43,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:43,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:43,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:43,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:43,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:43,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:43,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:43,948 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:49:43,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:49:43,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:43,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:49:43,950 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 -> 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 [2019-11-26 16:49:44,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:44,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:44,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:44,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:44,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:44,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2019-11-26 16:49:44,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802654c49/4508c647da2e4a6d96206d2c77c1616f/FLAG218122bd7 [2019-11-26 16:49:45,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:45,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2019-11-26 16:49:45,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802654c49/4508c647da2e4a6d96206d2c77c1616f/FLAG218122bd7 [2019-11-26 16:49:45,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802654c49/4508c647da2e4a6d96206d2c77c1616f [2019-11-26 16:49:45,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:45,540 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:45,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:45,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:45,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:45,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:45" (1/1) ... [2019-11-26 16:49:45,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8bcb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:45, skipping insertion in model container [2019-11-26 16:49:45,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:45" (1/1) ... [2019-11-26 16:49:45,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:45,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:46,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:46,921 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:47,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:47,308 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:47,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47 WrapperNode [2019-11-26 16:49:47,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:47,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:47,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:47,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:47,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:47,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:47,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:47,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:47,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:47" (1/1) ... [2019-11-26 16:49:47,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:47,665 INFO L168 Benchmark]: Toolchain (without parser) took 2119.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 892.7 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:47,666 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:49:47,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1766.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 915.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:47,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.93 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:47,672 INFO L168 Benchmark]: Boogie Preprocessor took 154.20 ms. Allocated memory is still 1.0 GB. Free memory was 904.2 MB in the beginning and 892.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:47,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1766.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 915.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.93 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 154.20 ms. Allocated memory is still 1.0 GB. Free memory was 904.2 MB in the beginning and 892.7 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...