./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem19_label31.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84d00e158b83d076b9bc23282539eb1d5e952a9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem19_label31.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84d00e158b83d076b9bc23282539eb1d5e952a9c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:01:22,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:22,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:22,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:22,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:22,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:22,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:22,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:22,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:22,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:22,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:22,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:22,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:22,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:22,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:22,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:22,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:22,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:22,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:22,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:22,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:22,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:22,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:22,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:22,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:22,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:22,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:22,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:22,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:22,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:22,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:22,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:22,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:22,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:22,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:22,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:22,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:22,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:22,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:22,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:22,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:22,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:01:22,531 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:22,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:22,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:22,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:22,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:22,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:22,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:22,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:01:22,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:22,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:22,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:22,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:22,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:22,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:22,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:22,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:22,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:22,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:22,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:22,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:22,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:22,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:22,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:22,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:22,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:22,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:01:22,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:01:22,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:22,560 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 -> 84d00e158b83d076b9bc23282539eb1d5e952a9c [2019-11-27 16:01:23,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:23,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:23,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:23,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:23,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:23,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label31.c [2019-11-27 16:01:23,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6fe4cb7/ffbf3e2c7fd14cc49b19edb63477b781/FLAG1907b44f9 [2019-11-27 16:01:25,316 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:25,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label31.c [2019-11-27 16:01:25,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6fe4cb7/ffbf3e2c7fd14cc49b19edb63477b781/FLAG1907b44f9 [2019-11-27 16:01:25,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6fe4cb7/ffbf3e2c7fd14cc49b19edb63477b781 [2019-11-27 16:01:25,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:25,498 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:25,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:25,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:25,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:25,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:25" (1/1) ... [2019-11-27 16:01:25,525 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 27.11 04:01:25, skipping insertion in model container [2019-11-27 16:01:25,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:25" (1/1) ... [2019-11-27 16:01:25,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:26,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:30,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:30,426 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:32,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:32,983 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:32,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32 WrapperNode [2019-11-27 16:01:32,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:32,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:32,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:32,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:33,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:33,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:34,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:34,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:34,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:34,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:34,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:34,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:34,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:34,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:36,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:36,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:36,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:32" (1/1) ... [2019-11-27 16:01:36,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:36,831 INFO L168 Benchmark]: Toolchain (without parser) took 11326.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 782.7 MB in the end (delta: 150.4 MB). Peak memory consumption was 389.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:36,832 INFO L168 Benchmark]: CDTParser took 0.39 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 16:01:36,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7482.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 874.5 MB in the end (delta: 58.5 MB). Peak memory consumption was 272.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:36,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 1418.93 ms. Allocated memory is still 1.0 GB. Free memory was 874.5 MB in the beginning and 706.0 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:36,846 INFO L168 Benchmark]: Boogie Preprocessor took 2414.92 ms. Allocated memory is still 1.0 GB. Free memory was 706.0 MB in the beginning and 782.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 162.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:36,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 7482.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 874.5 MB in the end (delta: 58.5 MB). Peak memory consumption was 272.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1418.93 ms. Allocated memory is still 1.0 GB. Free memory was 874.5 MB in the beginning and 706.0 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2414.92 ms. Allocated memory is still 1.0 GB. Free memory was 706.0 MB in the beginning and 782.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 162.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:01:40,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:40,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:40,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:40,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:40,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:40,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:40,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:40,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:40,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:40,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:40,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:40,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:40,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:40,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:40,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:40,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:40,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:41,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:41,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:41,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:41,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:41,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:41,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:41,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:41,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:41,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:41,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:41,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:41,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:41,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:41,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:41,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:41,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:41,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:41,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:41,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:41,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:41,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:41,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:41,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:41,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:41,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:41,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:41,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:41,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:41,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:41,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:41,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:41,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:41,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:41,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:41,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:41,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:41,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:41,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:41,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:41,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:41,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:41,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:41,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:41,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:41,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:41,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:41,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:41,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:41,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:41,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:41,127 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:41,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:41,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:41,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:41,131 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 -> 84d00e158b83d076b9bc23282539eb1d5e952a9c [2019-11-27 16:01:41,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:41,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:41,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:41,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:41,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:41,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label31.c [2019-11-27 16:01:41,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbf065fe/45eb1364acf7479db9acc307f74b1027/FLAG53cddd404 [2019-11-27 16:01:43,973 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:43,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label31.c [2019-11-27 16:01:44,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbf065fe/45eb1364acf7479db9acc307f74b1027/FLAG53cddd404 [2019-11-27 16:01:44,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbf065fe/45eb1364acf7479db9acc307f74b1027 [2019-11-27 16:01:44,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:44,177 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:44,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:44,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:44,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:44,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:44" (1/1) ... [2019-11-27 16:01:44,208 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 04:01:44, skipping insertion in model container [2019-11-27 16:01:44,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:44" (1/1) ... [2019-11-27 16:01:44,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:44,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:49,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:49,925 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:52,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:53,002 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:53,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53 WrapperNode [2019-11-27 16:01:53,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:53,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:53,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:53,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:53,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:53,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:53,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:53,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:53,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:53,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:53,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:53,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:53,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:54,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:55,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:55,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:53" (1/1) ... [2019-11-27 16:01:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:55,260 INFO L168 Benchmark]: Toolchain (without parser) took 11077.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 856.9 MB in the end (delta: 76.1 MB). Peak memory consumption was 308.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:55,263 INFO L168 Benchmark]: CDTParser took 0.39 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 16:01:55,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8824.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 752.8 MB in the end (delta: 180.2 MB). Peak memory consumption was 252.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:55,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 720.20 ms. Allocated memory is still 1.0 GB. Free memory was 752.8 MB in the beginning and 683.2 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:55,273 INFO L168 Benchmark]: Boogie Preprocessor took 1524.07 ms. Allocated memory is still 1.0 GB. Free memory was 683.2 MB in the beginning and 856.9 MB in the end (delta: -173.7 MB). Peak memory consumption was 58.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:55,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 8824.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 752.8 MB in the end (delta: 180.2 MB). Peak memory consumption was 252.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 720.20 ms. Allocated memory is still 1.0 GB. Free memory was 752.8 MB in the beginning and 683.2 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1524.07 ms. Allocated memory is still 1.0 GB. Free memory was 683.2 MB in the beginning and 856.9 MB in the end (delta: -173.7 MB). Peak memory consumption was 58.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...