./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/Problem15_label28.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 135f975c9db1c9341bb4a70ce00cbfa1e1ef94a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:11:26,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:11:26,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:11:26,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:11:26,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:11:26,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:11:27,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:11:27,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:11:27,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:11:27,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:11:27,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:11:27,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:11:27,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:11:27,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:11:27,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:11:27,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:11:27,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:11:27,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:11:27,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:11:27,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:11:27,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:11:27,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:11:27,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:11:27,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:11:27,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:11:27,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:11:27,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:11:27,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:11:27,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:11:27,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:11:27,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:11:27,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:11:27,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:11:27,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:11:27,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:11:27,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:11:27,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:11:27,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:11:27,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:11:27,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:11:27,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:11:27,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:11:27,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:11:27,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:11:27,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:11:27,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:11:27,185 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:11:27,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:11:27,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:11:27,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:11:27,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:11:27,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:11:27,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:11:27,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:11:27,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:11:27,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:11:27,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:11:27,192 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:11:27,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:11:27,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:11:27,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:11:27,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:11:27,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:11:27,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:11:27,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:11:27,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:11:27,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:11:27,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:11:27,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:11:27,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:11:27,202 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 -> 135f975c9db1c9341bb4a70ce00cbfa1e1ef94a6 [2019-11-16 21:11:27,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:11:27,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:11:27,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:11:27,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:11:27,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:11:27,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2019-11-16 21:11:27,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6cbb985/670ae4b961124931825b486514199178/FLAGfff51f9c4 [2019-11-16 21:11:29,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:11:29,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2019-11-16 21:11:29,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6cbb985/670ae4b961124931825b486514199178/FLAGfff51f9c4 [2019-11-16 21:11:29,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6cbb985/670ae4b961124931825b486514199178 [2019-11-16 21:11:29,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:11:29,530 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:11:29,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:11:29,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:11:29,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:11:29,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:11:29" (1/1) ... [2019-11-16 21:11:29,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e617a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:29, skipping insertion in model container [2019-11-16 21:11:29,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:11:29" (1/1) ... [2019-11-16 21:11:29,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:11:29,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:11:31,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:11:31,545 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:11:32,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:11:32,252 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:11:32,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32 WrapperNode [2019-11-16 21:11:32,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:11:32,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:11:32,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:11:32,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:11:32,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:11:32,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:11:32,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:11:32,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:11:32,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:32,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:33,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:33,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:11:32" (1/1) ... [2019-11-16 21:11:33,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:11:33,230 INFO L168 Benchmark]: Toolchain (without parser) took 3692.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 857.7 MB in the end (delta: 98.1 MB). Peak memory consumption was 98.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:11:33,231 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-16 21:11:33,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2714.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 915.0 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:11:33,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 458.32 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 874.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:11:33,240 INFO L168 Benchmark]: Boogie Preprocessor took 506.18 ms. Allocated memory is still 1.0 GB. Free memory was 874.9 MB in the beginning and 857.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:11:33,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 2714.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 915.0 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 458.32 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 874.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 506.18 ms. Allocated memory is still 1.0 GB. Free memory was 874.9 MB in the beginning and 857.7 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...