./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label27.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/Problem16_label27.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 928b672bb5c46f205145ce47fd82c8bf04e7a153 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem16_label27.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 928b672bb5c46f205145ce47fd82c8bf04e7a153 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:58:44,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:44,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:44,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:44,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:44,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:44,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:44,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:44,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:44,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:44,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:44,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:44,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:44,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:44,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:44,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:44,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:44,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:44,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:44,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:44,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:44,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:44,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:44,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:44,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:44,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:44,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:44,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:44,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:44,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:44,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:44,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:44,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:44,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:44,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:44,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:44,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:44,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:44,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:44,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:44,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:44,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:58:44,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:44,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:44,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:44,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:44,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:44,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:44,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:44,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:58:44,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:44,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:44,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:44,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:44,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:44,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:44,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:44,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:44,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:44,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:44,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:44,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:44,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:44,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:44,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:44,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:44,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:44,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:58:44,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:58:44,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:44,546 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 -> 928b672bb5c46f205145ce47fd82c8bf04e7a153 [2019-11-27 15:58:45,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:45,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:45,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:45,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:45,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:45,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label27.c [2019-11-27 15:58:45,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a132c04bf/83179f44b896419eb2594e209dd9e5ed/FLAGb1607aaa0 [2019-11-27 15:58:46,846 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:46,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label27.c [2019-11-27 15:58:46,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a132c04bf/83179f44b896419eb2594e209dd9e5ed/FLAGb1607aaa0 [2019-11-27 15:58:46,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a132c04bf/83179f44b896419eb2594e209dd9e5ed [2019-11-27 15:58:46,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:46,957 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:46,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:46,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:46,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:46,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:46" (1/1) ... [2019-11-27 15:58:46,982 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 27.11 03:58:46, skipping insertion in model container [2019-11-27 15:58:46,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:46" (1/1) ... [2019-11-27 15:58:47,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:47,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:48,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:48,860 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:49,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:49,425 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:49,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49 WrapperNode [2019-11-27 15:58:49,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:49,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:49,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:49,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:49,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:49,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:49,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:49,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:49,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:49,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:50,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:50,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:49" (1/1) ... [2019-11-27 15:58:50,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:50,132 INFO L168 Benchmark]: Toolchain (without parser) took 3168.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.3 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:50,133 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:58:50,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2472.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:50,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 341.05 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:50,141 INFO L168 Benchmark]: Boogie Preprocessor took 348.86 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:50,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 2472.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 341.05 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 348.86 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:58:54,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:54,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:54,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:54,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:54,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:54,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:54,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:54,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:54,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:54,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:54,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:54,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:54,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:54,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:54,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:54,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:54,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:54,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:54,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:54,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:54,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:54,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:54,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:54,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:54,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:54,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:54,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:54,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:54,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:54,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:54,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:54,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:54,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:54,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:54,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:54,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:54,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:54,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:54,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:54,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:54,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:58:54,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:54,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:54,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:54,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:54,297 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:54,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:54,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:54,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:54,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:54,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:54,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:54,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:54,302 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:58:54,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:58:54,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:54,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:54,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:54,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:54,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:54,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:54,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:54,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:54,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:54,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:54,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:54,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:54,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:58:54,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:58:54,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:54,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:58:54,313 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 -> 928b672bb5c46f205145ce47fd82c8bf04e7a153 [2019-11-27 15:58:54,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:54,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:54,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:54,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:54,886 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:54,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label27.c [2019-11-27 15:58:55,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddc5e947/63f01fabf6394fd898985ad51fc28db2/FLAG16baaceb7 [2019-11-27 15:58:56,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:56,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label27.c [2019-11-27 15:58:56,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddc5e947/63f01fabf6394fd898985ad51fc28db2/FLAG16baaceb7 [2019-11-27 15:58:56,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddc5e947/63f01fabf6394fd898985ad51fc28db2 [2019-11-27 15:58:56,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:56,603 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:56,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:56,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:56,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:56,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:56" (1/1) ... [2019-11-27 15:58:56,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:56, skipping insertion in model container [2019-11-27 15:58:56,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:56" (1/1) ... [2019-11-27 15:58:56,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:56,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:58,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:58,751 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:59,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:59,583 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59 WrapperNode [2019-11-27 15:58:59,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:59,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:59,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:59,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:59,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:58:59,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:58:59,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:59,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:59,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:59,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:59,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:58:59,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:58:59,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:58:59,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:59:00,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:59:00,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:59:00,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:59" (1/1) ... [2019-11-27 15:59:00,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:00,193 INFO L168 Benchmark]: Toolchain (without parser) took 3585.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 892.7 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:00,194 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:59:00,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2981.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 915.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:00,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.84 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:00,204 INFO L168 Benchmark]: Boogie Preprocessor took 280.39 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:00,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 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 2981.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 915.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 315.84 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 280.39 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.7 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...