./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label31.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/Problem16_label31.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 4441f0f15654b608146e6a9611fa87418b81f3d2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label31.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 4441f0f15654b608146e6a9611fa87418b81f3d2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:36:58,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:36:58,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:36:58,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:36:58,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:36:58,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:36:58,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:36:58,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:36:58,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:36:58,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:36:58,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:36:58,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:36:58,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:36:58,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:36:58,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:36:58,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:36:58,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:36:58,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:36:58,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:36:58,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:36:58,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:36:58,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:36:58,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:36:58,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:36:58,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:36:58,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:36:58,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:36:58,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:36:58,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:36:58,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:36:58,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:36:58,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:36:58,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:36:58,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:36:58,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:36:58,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:36:58,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:36:58,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:36:58,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:36:58,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:36:58,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:36:58,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:36:58,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:36:58,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:36:58,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:36:58,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:36:58,418 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:36:58,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:36:58,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:36:58,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:36:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:36:58,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:36:58,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:36:58,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:36:58,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:36:58,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:36:58,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:36:58,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:36:58,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:36:58,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:36:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:36:58,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:36:58,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:36:58,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:36:58,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:36:58,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:36:58,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:36:58,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:36:58,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:36:58,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:36:58,432 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 -> 4441f0f15654b608146e6a9611fa87418b81f3d2 [2019-11-27 09:36:58,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:36:59,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:36:59,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:36:59,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:36:59,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:36:59,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label31.c [2019-11-27 09:36:59,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c7bf8a6/2dc7ba1ee7764d069f5b011182e7ca62/FLAG0288799ed [2019-11-27 09:37:00,624 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:00,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label31.c [2019-11-27 09:37:00,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c7bf8a6/2dc7ba1ee7764d069f5b011182e7ca62/FLAG0288799ed [2019-11-27 09:37:00,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c7bf8a6/2dc7ba1ee7764d069f5b011182e7ca62 [2019-11-27 09:37:00,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:00,972 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:00,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:00,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:00,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:00,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:00" (1/1) ... [2019-11-27 09:37:00,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d1ddc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:00, skipping insertion in model container [2019-11-27 09:37:00,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:00" (1/1) ... [2019-11-27 09:37:01,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:01,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:03,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:03,009 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:03,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:03,567 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:03,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03 WrapperNode [2019-11-27 09:37:03,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:03,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:03,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:03,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:03,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:03,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:03,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:03,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:03,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:03,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:03,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:03,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:03,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:04,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:04,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:04,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:03" (1/1) ... [2019-11-27 09:37:04,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:04,250 INFO L168 Benchmark]: Toolchain (without parser) took 3269.71 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 892.5 MB in the end (delta: 63.4 MB). Peak memory consumption was 63.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:04,251 INFO L168 Benchmark]: CDTParser took 0.47 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 09:37:04,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2596.55 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 932.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:04,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 329.89 ms. Allocated memory is still 1.0 GB. Free memory was 932.9 MB in the beginning and 909.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:04,261 INFO L168 Benchmark]: Boogie Preprocessor took 337.78 ms. Allocated memory is still 1.0 GB. Free memory was 909.7 MB in the beginning and 892.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:04,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 2596.55 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 932.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 329.89 ms. Allocated memory is still 1.0 GB. Free memory was 932.9 MB in the beginning and 909.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 337.78 ms. Allocated memory is still 1.0 GB. Free memory was 909.7 MB in the beginning and 892.5 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-da95e15 [2019-11-27 09:37:08,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:08,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:08,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:08,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:08,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:08,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:08,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:08,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:08,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:08,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:08,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:08,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:08,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:08,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:08,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:08,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:08,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:08,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:08,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:08,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:08,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:08,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:08,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:08,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:08,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:08,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:08,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:08,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:08,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:08,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:08,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:08,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:08,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:08,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:08,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:08,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:08,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:08,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:08,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:08,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:08,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:37:08,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:08,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:08,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:08,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:08,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:08,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:08,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:08,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:08,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:08,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:08,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:08,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:08,381 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:37:08,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:37:08,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:08,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:08,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:08,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:08,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:08,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:08,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:08,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:08,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:08,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:08,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:08,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:08,390 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:37:08,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:37:08,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:08,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:37:08,394 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 -> 4441f0f15654b608146e6a9611fa87418b81f3d2 [2019-11-27 09:37:08,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:08,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:08,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:08,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:08,962 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:08,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label31.c [2019-11-27 09:37:09,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b9cd438/ec494756f0e34f16a9af518446c364ea/FLAG38ed5f2c0 [2019-11-27 09:37:10,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:10,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label31.c [2019-11-27 09:37:10,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b9cd438/ec494756f0e34f16a9af518446c364ea/FLAG38ed5f2c0 [2019-11-27 09:37:10,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b9cd438/ec494756f0e34f16a9af518446c364ea [2019-11-27 09:37:10,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:10,777 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:10,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:10,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:10,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:10,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:10" (1/1) ... [2019-11-27 09:37:10,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:10, skipping insertion in model container [2019-11-27 09:37:10,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:10" (1/1) ... [2019-11-27 09:37:10,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:10,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:12,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:12,897 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:13,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:13,435 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:13,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13 WrapperNode [2019-11-27 09:37:13,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:13,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:13,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:13,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:13,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:13,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:13,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:13,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:13,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:13" (1/1) ... [2019-11-27 09:37:13,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:13,944 INFO L168 Benchmark]: Toolchain (without parser) took 3161.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 908.2 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:13,945 INFO L168 Benchmark]: CDTParser took 0.32 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 09:37:13,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2658.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 931.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:13,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 262.77 ms. Allocated memory is still 1.0 GB. Free memory was 931.1 MB in the beginning and 919.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:13,953 INFO L168 Benchmark]: Boogie Preprocessor took 232.67 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 908.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:13,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 2658.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 931.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 262.77 ms. Allocated memory is still 1.0 GB. Free memory was 931.1 MB in the beginning and 919.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 232.67 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 908.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...