./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label50.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/Problem18_label50.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 483981f2653960c788f63687695c03dc8a43fcaf ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem18_label50.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 483981f2653960c788f63687695c03dc8a43fcaf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:38:43,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:43,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:43,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:43,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:43,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:43,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:43,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:43,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:43,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:43,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:43,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:43,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:43,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:43,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:43,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:43,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:43,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:43,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:43,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:43,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:43,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:43,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:43,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:43,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:43,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:43,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:43,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:43,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:43,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:43,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:43,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:43,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:43,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:43,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:43,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:43,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:43,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:43,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:43,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:43,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:43,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:38:43,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:43,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:43,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:43,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:43,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:43,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:43,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:43,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:38:43,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:43,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:43,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:43,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:43,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:43,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:43,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:43,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:43,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:43,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:43,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:43,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:43,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:43,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:43,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:43,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:43,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:43,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:38:43,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:38:43,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:43,373 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 -> 483981f2653960c788f63687695c03dc8a43fcaf [2019-11-27 09:38:43,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:43,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:44,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:44,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:44,008 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:44,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label50.c [2019-11-27 09:38:44,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12d1b7c6/1d41c9741a4a4e59aac6a6a4c603afe6/FLAG08375ccbb [2019-11-27 09:38:45,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:45,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label50.c [2019-11-27 09:38:45,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12d1b7c6/1d41c9741a4a4e59aac6a6a4c603afe6/FLAG08375ccbb [2019-11-27 09:38:45,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12d1b7c6/1d41c9741a4a4e59aac6a6a4c603afe6 [2019-11-27 09:38:45,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:45,802 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:45,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:45,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:45,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:45,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:45" (1/1) ... [2019-11-27 09:38:45,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:45, skipping insertion in model container [2019-11-27 09:38:45,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:45" (1/1) ... [2019-11-27 09:38:45,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:46,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:48,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:48,398 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:49,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:49,574 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49 WrapperNode [2019-11-27 09:38:49,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:49,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:49,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:49,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:49,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:49,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:50,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:50,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:50,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:50,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:49" (1/1) ... [2019-11-27 09:38:50,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:50,802 INFO L168 Benchmark]: Toolchain (without parser) took 4993.78 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 798.5 MB in the end (delta: 151.7 MB). Peak memory consumption was 151.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:50,803 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:38:50,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3772.85 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 867.8 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:50,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 582.54 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:50,814 INFO L168 Benchmark]: Boogie Preprocessor took 627.00 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:50,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 3772.85 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 867.8 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 582.54 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 627.00 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:38:54,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:54,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:54,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:54,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:54,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:54,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:54,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:54,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:54,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:54,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:54,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:54,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:54,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:54,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:54,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:54,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:54,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:54,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:54,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:54,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:54,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:54,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:54,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:54,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:54,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:54,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:54,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:54,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:54,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:54,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:54,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:54,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:54,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:54,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:54,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:54,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:54,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:54,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:54,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:54,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:54,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:55,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:55,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:55,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:55,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:55,024 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:55,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:55,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:55,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:55,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:55,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:55,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:55,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:55,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:55,032 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:55,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:55,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:55,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:55,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:55,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:55,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:55,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:55,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:55,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:55,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:55,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:55,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:55,040 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:55,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:55,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:55,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:55,043 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 -> 483981f2653960c788f63687695c03dc8a43fcaf [2019-11-27 09:38:55,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:55,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:55,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:55,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:55,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:55,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label50.c [2019-11-27 09:38:55,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326a4d5e/e137b6c2b88c49979d7190c92ac46874/FLAG952f746fa [2019-11-27 09:38:57,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:57,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label50.c [2019-11-27 09:38:57,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326a4d5e/e137b6c2b88c49979d7190c92ac46874/FLAG952f746fa [2019-11-27 09:38:57,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326a4d5e/e137b6c2b88c49979d7190c92ac46874 [2019-11-27 09:38:57,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:57,605 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:57,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:57,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:57,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:57,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:57" (1/1) ... [2019-11-27 09:38:57,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:57, skipping insertion in model container [2019-11-27 09:38:57,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:57" (1/1) ... [2019-11-27 09:38:57,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:57,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:39:00,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:39:00,317 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:39:01,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:39:01,691 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:39:01,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01 WrapperNode [2019-11-27 09:39:01,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:39:01,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:39:01,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:39:01,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:39:01,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:01,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:39:02,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:39:02,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:39:02,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:39:02,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:01" (1/1) ... [2019-11-27 09:39:02,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:39:02,564 INFO L168 Benchmark]: Toolchain (without parser) took 4951.71 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 799.3 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:02,565 INFO L168 Benchmark]: CDTParser took 3.06 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 09:39:02,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4084.23 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 845.1 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:02,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 413.06 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:02,575 INFO L168 Benchmark]: Boogie Preprocessor took 442.65 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:02,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.06 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 4084.23 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 845.1 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 413.06 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 442.65 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 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...