./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/Problem02_label20.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 5360c3d4aebe9582cd01259f723ea710f280bf1f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem02_label20.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 5360c3d4aebe9582cd01259f723ea710f280bf1f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:43:07,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:07,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:07,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:07,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:07,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:07,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:07,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:07,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:07,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:07,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:07,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:07,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:07,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:07,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:07,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:07,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:07,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:07,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:07,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:07,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:07,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:07,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:07,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:07,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:07,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:07,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:07,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:07,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:07,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:07,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:07,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:07,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:07,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:07,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:07,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:07,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:07,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:07,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:07,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:07,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:07,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:07,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:07,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:07,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:07,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:07,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:07,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:07,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:07,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:07,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:07,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:07,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:07,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:07,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:07,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:07,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:07,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:07,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:07,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:07,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:07,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:07,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:07,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:07,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:07,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:07,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:07,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:07,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:07,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:07,253 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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-27 15:43:07,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:07,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:07,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:07,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:07,887 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:07,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-27 15:43:08,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb171ac21/7133a7b55b2e41f9a11f61b0fc9a788c/FLAG9440d0dbd [2019-11-27 15:43:09,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:09,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-27 15:43:09,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb171ac21/7133a7b55b2e41f9a11f61b0fc9a788c/FLAG9440d0dbd [2019-11-27 15:43:09,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb171ac21/7133a7b55b2e41f9a11f61b0fc9a788c [2019-11-27 15:43:09,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:09,335 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:09,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:09,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:09,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:09,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:09" (1/1) ... [2019-11-27 15:43:09,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:09, skipping insertion in model container [2019-11-27 15:43:09,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:09" (1/1) ... [2019-11-27 15:43:09,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:09,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:10,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:10,525 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:10,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:10,896 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:10,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10 WrapperNode [2019-11-27 15:43:10,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:10,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:10,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:10,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:10,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:10,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:11,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:11,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:11,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:11,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:11,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:11,276 INFO L168 Benchmark]: Toolchain (without parser) took 1934.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 960.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:11,279 INFO L168 Benchmark]: CDTParser took 0.39 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 15:43:11,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1563.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 971.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:11,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.80 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:11,293 INFO L168 Benchmark]: Boogie Preprocessor took 181.98 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 960.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:11,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1563.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 971.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.80 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.98 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 960.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 0.1.24-509859d [2019-11-27 15:43:15,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:15,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:15,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:15,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:15,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:15,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:15,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:15,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:15,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:15,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:15,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:15,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:15,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:15,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:15,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:15,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:15,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:15,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:15,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:15,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:15,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:15,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:15,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:15,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:15,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:15,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:15,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:15,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:15,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:15,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:15,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:15,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:15,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:15,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:15,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:15,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:15,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:15,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:15,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:15,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:15,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:15,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:15,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:15,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:15,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:15,435 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:15,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:15,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:15,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:15,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:15,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:15,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:15,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:15,441 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:15,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:15,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:15,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:15,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:15,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:15,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:15,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:15,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:15,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:15,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:15,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:15,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:15,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:15,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:15,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:15,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:15,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:15,452 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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-27 15:43:15,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:16,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:16,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:16,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:16,040 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:16,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-27 15:43:16,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b40b5eab/799612340f1444ed85f1b452aced7a1c/FLAGb1b355c75 [2019-11-27 15:43:17,448 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:17,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-27 15:43:17,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b40b5eab/799612340f1444ed85f1b452aced7a1c/FLAGb1b355c75 [2019-11-27 15:43:17,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b40b5eab/799612340f1444ed85f1b452aced7a1c [2019-11-27 15:43:17,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:17,543 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:17,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:17,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:17,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:17,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:17" (1/1) ... [2019-11-27 15:43:17,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:17, skipping insertion in model container [2019-11-27 15:43:17,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:17" (1/1) ... [2019-11-27 15:43:17,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:17,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:18,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:18,764 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:18,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:19,015 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:19,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19 WrapperNode [2019-11-27 15:43:19,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:19,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:19,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:19,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:19,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:19,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:19,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:19,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:19,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:19,419 INFO L168 Benchmark]: Toolchain (without parser) took 1870.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 960.8 MB in the end (delta: 910.5 kB). Peak memory consumption was 976.1 kB. Max. memory is 12.5 GB. [2019-11-27 15:43:19,423 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 15:43:19,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1470.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:19,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 216.81 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:19,433 INFO L168 Benchmark]: Boogie Preprocessor took 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:19,447 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 1470.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 216.81 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...