./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_label52.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 4bb3b482390115b2782eac42531403c30b191295 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem15_label52.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 4bb3b482390115b2782eac42531403c30b191295 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:18,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:18,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:19,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:19,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:19,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:19,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:19,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:19,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:19,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:19,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:19,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:19,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:19,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:19,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:19,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:19,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:19,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:19,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:19,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:19,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:19,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:19,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:19,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:19,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:19,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:19,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:19,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:19,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:19,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:19,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:19,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:19,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:19,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:19,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:19,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:19,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:19,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:19,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:19,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:19,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:19,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:49:19,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:19,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:19,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:19,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:19,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:19,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:19,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:19,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:49:19,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:19,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:19,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:19,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:19,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:19,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:19,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:19,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:19,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:19,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:19,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:19,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:19,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:19,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:19,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:19,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:19,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:19,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:49:19,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:49:19,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:19,226 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 -> 4bb3b482390115b2782eac42531403c30b191295 [2019-11-26 16:49:19,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:19,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:19,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:19,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:19,805 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:19,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2019-11-26 16:49:19,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ca8a363/901239451a1a4d30b14d16c9b6d04713/FLAG3180e5ff0 [2019-11-26 16:49:21,397 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:21,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2019-11-26 16:49:21,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ca8a363/901239451a1a4d30b14d16c9b6d04713/FLAG3180e5ff0 [2019-11-26 16:49:21,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ca8a363/901239451a1a4d30b14d16c9b6d04713 [2019-11-26 16:49:21,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:21,504 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:21,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:21,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:21,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:21,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:21" (1/1) ... [2019-11-26 16:49:21,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:21, skipping insertion in model container [2019-11-26 16:49:21,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:21" (1/1) ... [2019-11-26 16:49:21,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:21,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:23,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:23,775 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:24,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:24,384 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24 WrapperNode [2019-11-26 16:49:24,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:24,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:24,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:24,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:24,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:24,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:24,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:24,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:24,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:24,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:24,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:24,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:24,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:24,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:25,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:25,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:25,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:24" (1/1) ... [2019-11-26 16:49:25,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:25,340 INFO L168 Benchmark]: Toolchain (without parser) took 3831.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 857.8 MB in the end (delta: 98.0 MB). Peak memory consumption was 98.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:25,341 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. [2019-11-26 16:49:25,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2882.17 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 915.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:25,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 444.81 ms. Allocated memory is still 1.0 GB. Free memory was 915.1 MB in the beginning and 875.0 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:25,351 INFO L168 Benchmark]: Boogie Preprocessor took 495.89 ms. Allocated memory is still 1.0 GB. Free memory was 875.0 MB in the beginning and 857.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:25,363 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 2882.17 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 915.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 444.81 ms. Allocated memory is still 1.0 GB. Free memory was 915.1 MB in the beginning and 875.0 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 495.89 ms. Allocated memory is still 1.0 GB. Free memory was 875.0 MB in the beginning and 857.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:29,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:29,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:29,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:29,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:29,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:29,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:29,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:29,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:29,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:29,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:29,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:29,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:29,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:29,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:29,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:29,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:29,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:29,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:29,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:29,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:29,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:29,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:29,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:29,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:29,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:29,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:29,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:29,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:29,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:29,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:29,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:29,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:29,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:29,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:29,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:29,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:29,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:29,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:29,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:29,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:29,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:49:29,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:29,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:29,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:29,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:29,520 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:29,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:29,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:29,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:29,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:29,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:29,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:29,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:29,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:49:29,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:49:29,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:29,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:29,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:29,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:29,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:29,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:29,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:29,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:29,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:29,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:29,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:29,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:29,535 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:49:29,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:49:29,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:29,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:49:29,538 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 -> 4bb3b482390115b2782eac42531403c30b191295 [2019-11-26 16:49:30,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:30,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:30,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:30,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:30,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:30,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2019-11-26 16:49:30,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2200564d6/cdccbb2e8d33434691c9bcb0df5cb3c4/FLAGdf208c145 [2019-11-26 16:49:31,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:31,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2019-11-26 16:49:31,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2200564d6/cdccbb2e8d33434691c9bcb0df5cb3c4/FLAGdf208c145 [2019-11-26 16:49:31,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2200564d6/cdccbb2e8d33434691c9bcb0df5cb3c4 [2019-11-26 16:49:31,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:31,959 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:31,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:31,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:31,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:31,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:31" (1/1) ... [2019-11-26 16:49:31,982 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 26.11 04:49:31, skipping insertion in model container [2019-11-26 16:49:31,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:31" (1/1) ... [2019-11-26 16:49:32,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:32,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:34,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:34,151 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:34,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:34,935 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:34,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34 WrapperNode [2019-11-26 16:49:34,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:34,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:34,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:34,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:34,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:35,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:35,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:35,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:35,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:34" (1/1) ... [2019-11-26 16:49:35,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:35,576 INFO L168 Benchmark]: Toolchain (without parser) took 3614.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 857.8 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:35,579 INFO L168 Benchmark]: CDTParser took 2.19 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. [2019-11-26 16:49:35,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2977.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 880.7 MB in the end (delta: 80.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:35,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 311.12 ms. Allocated memory is still 1.0 GB. Free memory was 880.7 MB in the beginning and 869.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:35,587 INFO L168 Benchmark]: Boogie Preprocessor took 316.94 ms. Allocated memory is still 1.0 GB. Free memory was 869.3 MB in the beginning and 857.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:35,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.19 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 2977.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 880.7 MB in the end (delta: 80.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 311.12 ms. Allocated memory is still 1.0 GB. Free memory was 880.7 MB in the beginning and 869.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 316.94 ms. Allocated memory is still 1.0 GB. Free memory was 869.3 MB in the beginning and 857.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...