./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label44.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/Problem04_label44.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 cb765425c465c205520808dfd8c45bc334dc3f68 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_label44.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 cb765425c465c205520808dfd8c45bc334dc3f68 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:22:55,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:22:55,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:22:55,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:22:55,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:22:55,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:22:55,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:22:55,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:22:55,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:22:55,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:22:55,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:22:55,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:22:55,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:22:55,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:22:55,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:22:55,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:22:55,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:22:55,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:22:55,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:22:55,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:22:55,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:22:55,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:22:55,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:22:55,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:22:55,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:22:55,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:22:55,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:22:55,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:22:55,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:22:55,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:22:55,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:22:55,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:22:55,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:22:55,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:22:55,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:22:55,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:22:55,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:22:55,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:22:55,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:22:55,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:22:55,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:22:55,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:22:55,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:22:55,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:22:55,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:22:55,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:22:55,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:22:55,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:22:55,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:22:55,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:22:55,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:22:55,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:22:55,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:22:55,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:22:55,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:22:55,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:22:55,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:22:55,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:22:55,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:22:55,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:22:55,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:22:55,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:22:55,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:22:55,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:22:55,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:22:55,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:22:55,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:22:55,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:22:55,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:22:55,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:22:55,994 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 -> cb765425c465c205520808dfd8c45bc334dc3f68 [2019-11-27 09:22:56,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:22:56,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:22:56,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:22:56,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:22:56,573 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:22:56,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2019-11-27 09:22:56,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595339b7c/a3051565cded4fff9c9d6c6b150b178d/FLAG43cb9c171 [2019-11-27 09:22:58,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:22:58,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2019-11-27 09:22:58,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595339b7c/a3051565cded4fff9c9d6c6b150b178d/FLAG43cb9c171 [2019-11-27 09:22:58,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595339b7c/a3051565cded4fff9c9d6c6b150b178d [2019-11-27 09:22:58,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:22:58,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:22:58,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:58,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:22:58,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:22:58,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:58" (1/1) ... [2019-11-27 09:22:58,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:58, skipping insertion in model container [2019-11-27 09:22:58,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:58" (1/1) ... [2019-11-27 09:22:58,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:22:58,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:23:01,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:23:01,644 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:23:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:23:03,271 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:23:03,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03 WrapperNode [2019-11-27 09:23:03,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:23:03,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:23:03,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:23:03,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:23:03,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:03,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:03,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:23:03,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:23:03,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:23:03,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:23:03,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:03,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:03,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:03,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:04,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:04,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:04,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:03" (1/1) ... [2019-11-27 09:23:04,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:23:04,270 INFO L168 Benchmark]: Toolchain (without parser) took 5899.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 745.9 MB in the end (delta: 198.6 MB). Peak memory consumption was 198.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:04,273 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:23:04,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4903.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 814.6 MB in the end (delta: 129.9 MB). Peak memory consumption was 129.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:04,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 542.90 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 774.5 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:04,281 INFO L168 Benchmark]: Boogie Preprocessor took 442.82 ms. Allocated memory is still 1.0 GB. Free memory was 774.5 MB in the beginning and 745.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:04,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 4903.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 814.6 MB in the end (delta: 129.9 MB). Peak memory consumption was 129.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 542.90 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 774.5 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 442.82 ms. Allocated memory is still 1.0 GB. Free memory was 774.5 MB in the beginning and 745.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 09:23:08,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:23:08,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:23:08,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:23:08,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:23:08,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:23:08,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:23:08,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:23:08,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:23:08,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:23:08,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:23:08,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:23:08,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:23:08,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:23:08,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:23:08,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:23:08,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:23:08,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:23:08,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:23:08,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:23:08,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:23:08,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:23:08,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:23:08,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:23:08,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:23:08,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:23:08,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:23:08,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:23:08,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:23:08,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:23:08,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:23:08,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:23:08,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:23:08,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:23:08,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:23:08,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:23:08,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:23:08,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:23:08,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:23:08,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:23:08,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:23:08,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:23:08,280 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:23:08,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:23:08,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:23:08,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:23:08,286 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:23:08,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:23:08,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:23:08,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:23:08,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:23:08,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:23:08,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:23:08,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:23:08,291 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:23:08,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:23:08,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:23:08,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:23:08,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:23:08,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:23:08,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:23:08,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:23:08,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:23:08,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:23:08,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:23:08,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:23:08,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:23:08,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:23:08,300 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:23:08,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:23:08,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:23:08,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:23:08,305 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 -> cb765425c465c205520808dfd8c45bc334dc3f68 [2019-11-27 09:23:08,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:23:08,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:23:08,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:23:08,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:23:08,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:23:08,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2019-11-27 09:23:09,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b4daa1a/cd3a7827a7d0451e8472a461243885f3/FLAG660702081 [2019-11-27 09:23:10,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:23:10,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2019-11-27 09:23:10,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b4daa1a/cd3a7827a7d0451e8472a461243885f3/FLAG660702081 [2019-11-27 09:23:11,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b4daa1a/cd3a7827a7d0451e8472a461243885f3 [2019-11-27 09:23:11,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:23:11,029 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:23:11,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:23:11,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:23:11,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:23:11,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:23:11" (1/1) ... [2019-11-27 09:23:11,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:11, skipping insertion in model container [2019-11-27 09:23:11,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:23:11" (1/1) ... [2019-11-27 09:23:11,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:23:11,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:23:14,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:23:14,355 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:23:16,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:23:16,151 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:23:16,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16 WrapperNode [2019-11-27 09:23:16,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:23:16,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:23:16,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:23:16,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:23:16,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:16,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:16,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:23:16,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:23:16,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:23:16,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:23:16,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:16,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:16,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:16,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:17,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:17,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:17,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:23:16" (1/1) ... [2019-11-27 09:23:17,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:23:17,328 INFO L168 Benchmark]: Toolchain (without parser) took 6294.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 732.7 MB in the end (delta: 217.5 MB). Peak memory consumption was 217.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:17,329 INFO L168 Benchmark]: CDTParser took 0.97 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 09:23:17,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5125.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 797.4 MB in the end (delta: 152.8 MB). Peak memory consumption was 152.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:17,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 563.81 ms. Allocated memory is still 1.0 GB. Free memory was 797.4 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:17,339 INFO L168 Benchmark]: Boogie Preprocessor took 598.08 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 732.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:23:17,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 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 5125.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 797.4 MB in the end (delta: 152.8 MB). Peak memory consumption was 152.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 563.81 ms. Allocated memory is still 1.0 GB. Free memory was 797.4 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 598.08 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 732.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...